SDR MYWA081512

Service difficulty report · Pressure System · Boeing 73781Q

Difficulty date
December 15, 2008
Submitted
December 17, 2008
Operation
Air carrier
Aircraft
N733MA
Make and model
Boeing 73781Q
Aircraft serial
30619
Aircraft time
22,497 hours, 7,986 cycles
Part
Pressure System
Condition
Malfunctioned
Location
Cabin
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
B, G, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ACFT WAS ON A FERRY FLIGHT WITH ONLY CREW AND NO PASSENGERS THAT DEPARTED AND EXPERIENCED A RAPID DECOMPRESSION. AT FL410 CRUISE, THE RT ENGINE BLEED TRIP LIGHT ILLUMINATED. WHEN RESET LIGHT WENT OUT FOR APPROX 20 SECONDS AND LIGHT ILLUMINATED AGAIN. ACFT COULD NOT MAINTAIN CABIN PRESSURE FOR SAFE OPERATION. CREW COMPLIED WITH NON-NORMAL PROCEDURES AND DID A RAPID DECENT TO 10,000 FEET. OXYGEN MASKS WERE DEPLOYED. FLIGHT LANDED SAFELY WITH NO ACFT DAMAGE OR PERSONNEL INJURY.

More about the Boeing 737-81Q