Chrono B732 at Mary River on Sep 21st 2022, returned twice with engine shut down

Last Update: October 7, 2022 / 19:02:14 GMT/Zulu time

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Incident Facts

Date of incident
Sep 21, 2022

Classification
Incident

Flight number
MBK-791

Destination
Iqaluit, Canada

Aircraft Registration
C-GTVO

Aircraft Type
Boeing 737-200

ICAO Type Designator
B732

A Chrono Aviation Boeing 737-200, registration C-GTVO performing flight MBK-791 from Mary River,NU to Iqaluit,NU (Canada) with 107 people on board, was climbing out of Mary River when at about 11,000 feet the crew received a warning the the right hand starter valve (engine JT8D) was open. A check of the engine gauges show the oil quantity was reading 0 and the the oil temperature was 150 degrees C. The related checklist was completed and the engine was shut down. The crew declared Mayday and returned to Mary River for a safe landing.

The Canadian TSB wrote, this was the first of two occurrences: "The operator's maintenance found the oil quantity gauge connector on the sending unit was broken. MEL 79-01 was applied and the connector was capped and stowed. The start valve and pressure switch were replaced. The aircraft was inspected for the overweight landing and was found serviceable."

About 3 hours later, now flight MBK-795 to Iqaluit the aircraft departed again, but at 9000 feet the crew again received a warning the #2 starter value was open. The crew shut the engine down again, declared PAN PAN and returned to Mary River for a safe landing on runway 30.

The TSB wrote: "This was the second similar occurrence for the aircraft. The operator's maintenance carried out extensive electrical wiring troubleshooting and discovered one flight deck connector pin shorting against its connector. The connector was replaced, test flights were conducted, and the issue was cleared."
Aircraft Registration Data
Registration mark
C-GTVO
Country of Registration
Canada
Date of Registration
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Certification Basis
Apchfqkk elfjdmlbdpjmdi cgmjlqjk ifeAeqedpbmmi Subscribe to unlock
TCDS Ident. No.
Manufacturer
Boeing
Aircraft Model / Type
737-219C
ICAO Aircraft Type
B732
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Maximum Take off Mass (MTOM) [kg]
Engine Count
Engine Type
Main Owner
FdmikjjjqeldmiqgkinencjbnlfqniekfpggjjneAjqkgfmhmfhdjk cbjqjifhenlbqhpi egkkplllbkql Subscribe to unlock

Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Sep 21, 2022

Classification
Incident

Flight number
MBK-791

Destination
Iqaluit, Canada

Aircraft Registration
C-GTVO

Aircraft Type
Boeing 737-200

ICAO Type Designator
B732

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