Service difficulty report · Module · Boeing 757222

Difficulty date
May 20, 2008
Submitted
May 21, 2008
Operation
Air carrier
Aircraft
N598UA
Make and model
Boeing 757222
Aircraft serial
28751
Aircraft time
37,177 hours, 10,305 cycles
Engine
Pwa PW2037
Part
Module
Part number
5639005
Condition
Failed
Location
Cabin Pressure
Stage of operation
CR
How discovered
O
Nature of condition
W
Precautionary procedure
A

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

What was found

CABIN PRESSURIZATION PROBLEM CAUSED DIVERSION. MAIN PWR SUPPLY T1 AND FLEX CABLE BAD. A1 CARD (CPU) FAILS LRU TEST 140760. REPLACED CABIN PRESSURIZATION MODULE., OPS CHECKED NORMAL.