Peace E145 at Kaduna on Jan 14th 2021, rejected takeoff due to hydraulic problems

Last Update: April 20, 2021 / 18:36:02 GMT/Zulu time

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Incident Facts

Date of incident
Jan 14, 2021

Classification
Incident

Airline
Air Peace

Flight number
P4-7377

Departure
Kaduna, Nigeria

Destination
Lagos, Nigeria

Aircraft Registration
5N-BVD

Aircraft Type
Embraer ERJ-145

ICAO Type Designator
E145

An Air Peace Embraer ERJ-145, registration 5N-BVD performing flight P4-7377 from Kaduna to Lagos (Nigeria) with 49 passengers and 4 crew, had arrived in Kaduna with a low #1 hydraulic system quantity indication, which was monitored throughout the inbound flight, the #1 hydraulic system continued to work however. While taxiing for departure cabin crew heard a hissing sound from about the wings throughout to the aft cabin and informed the flight crew. The flight crew inquired with cabin crew whether there was any smell or the sound may be the result of cabin pressure leakage. The crew subsequently lined up runway 05 and accelerated for takeoff, when at about 110 KIAS heavy vibrations and shaking on the control column were encountered. The captain took control of the aircraft and rejected takeoff (maximum speed reached 119 KIAS) bringing the aircraft to a stop about 284 meters short of the runway end and about 4 meters left of the runway centerline. Tower informed emergency services who arrived on scene 4 minutes and 11 seconds later. The aircraft's left main tyres were found destroyed. There were no injuries, the aircraft sustained minor damage.

Nigeria's Accident Investigation Bureau (NAIB) stated in their preliminary report the first officer (23, CPL, 1,116 hours total, 960 hours on type) was pilot flying, the captain (64, ATPL, 14,210 hours total, 1,200 hours on type) was pilot monitoring on both the inbound and departing flight.

The NAIB reported during the inbound flight P4-7376, also with the FO being pilot flying, the crew observed a #1 hydraulic system low quantity indication during climb out of Lagos. The crew worked the quick reference handbook procedures which advised the monitor the hydraulic system. With the crew monitoring the #1 hydraulic system the aircraft continued to Kaduna for a safe landing on runway 05. When the aircraft turned off the runway the nose wheel steering felt stiff. The crew turned the electric motor driven pump for the #1 hydraulic system (EMDP 1) on, after which the nose wheel steering became more effective.

Both pilots performed a walk around especially looking out for spillages, none was detected. The crew thus decided to perform the return flight and turned the EMDP 1 on as a precaution. During taxi cabin crew heard hissing sounds from about the wings area to the aft cabin, the flight crew acknowledged the information. The NAIB wrote:

The flight crew stated that during the take-off roll, as the aircraft attained 110 KIAS, the crew experienced heavy vibrations and shaking of the control column. The Pilot (PM) then took over control of the aircraft and performed a rejected take-off by applying foot brakes and thrust reversers to bring the aircraft to a stop. The Number 1 Thrust Reverser did not deploy. The aircraft came to a stop 284 metres short of the end of runway 05 and four metres left of the centreline. At 12:11 h, ATC informed the Aerodrome Rescue and Fire Fighting Services (ARFFS).

According to the CVR recordings, the ARFFS arrived 4 minutes 11 seconds after they were informed by the ATC. Upon arrival, the ARFFS conducted inspection on the aircraft, after which it found the number 1 and number 2 main wheel tyres burst and reported same to the flight crew. The Pilot briefed the passengers of the situation via the Public Address (PA) system, thereafter passengers disembarked normally.

The incident occurred at 12:11 h daytime in Visual Meteorological Conditions (VMC).

The NAIB reported the aircraft had been serviced the night before, both hydraulic systems had been refilled.

A post flight inspection revealed y hydraulic fluid spillage was observed at the left main gear. A hydraulic brake hose coupling underneath the #1 main landing gear was found loose and dripping hydraulic fluid intermittently. Upon tightening the connecting pipe the leakage stopped. In addition the electrical connector for the pressure switch from the #1 engine driven pump was found loose. The connector was tightened, tested and the system delivered 3000psi hydraulic pressure again.

The NAIB reported:

During the take-off roll, at about 756 m from the threshold of RWY 05, the number 2 main wheel tyre (inboard left main wheel) burst and the aircraft continued for a distance of about 1300 m when the number 1 left main wheel tyre (outboard left main wheel) burst. The aircraft continued for another 200 m where runway to metal contact started. The aircraft thereafter, moved in a ground loop pattern for 460 m.

The aircraft stopped at a distance of 1960 m from the point of first tyre burst, 284 m to the end of runway 05 on a magnetic heading of 031°, four meters left of the runway centreline with the aircraft rested on the left main landing gear hubs.
Incident Facts

Date of incident
Jan 14, 2021

Classification
Incident

Airline
Air Peace

Flight number
P4-7377

Departure
Kaduna, Nigeria

Destination
Lagos, Nigeria

Aircraft Registration
5N-BVD

Aircraft Type
Embraer ERJ-145

ICAO Type Designator
E145

This article is published under license from Avherald.com. © of text by Avherald.com.
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