American B763 near Orlando on Nov 10th 2018, loss of cabin pressure

Last Update: November 12, 2018 / 19:23:45 GMT/Zulu time

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Incident Facts

Date of incident
Nov 10, 2018

Classification
Incident

Flight number
AA-376

Aircraft Registration
N379AA

Aircraft Type
Boeing 767-300

ICAO Type Designator
B763

An American Airlines Boeing 767-300, registration N379AA performing flight AA-376 from Miami,FL to Philadelphia,PA (USA), was enroute at FL390 about 15nm north of Orlando,FL (USA) when the crew received indications the cabin altitude was climbing shortly followed by indicatin the right hand pack had tripped offline. The crew descended the aircraft to FL310, attempted to control the cabin pressure manually but needed to continue the descent to FL240. While descending towards FL240 the cabin altitude warning triggered and the passenger oxygen masks were released, the crew initiated an emergency descent to 10,000 feet and diverted to Charlotte,NC (USA) for a safe landing.

According to information The Aviation Herald received the aircraft had suffered a similiar problem on the previous day's flight AA-376 when the right hand pack tripped offline at the top of climb at FL390, the crew descended to FL310 and later FL250 but was able to control the cabin pressure by continually switching the right pack off and on while the aircraft continued to destination. Maintenance replaced a temperature control valve, subsequent tests showed no faults and the aircraft was returned to service, completed one flight (AA1450 from Philadelphia to Miami) and suffered the occurrence on the second flight after maintenance.
Incident Facts

Date of incident
Nov 10, 2018

Classification
Incident

Flight number
AA-376

Aircraft Registration
N379AA

Aircraft Type
Boeing 767-300

ICAO Type Designator
B763

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