Service difficulty report · Module · Boeing 757222

Difficulty date
October 26, 2003
Submitted
November 4, 2003
Operation
Air carrier
Aircraft
N508UA
Make and model
Boeing 757222
Aircraft serial
24744
Aircraft time
44,197 hours, 16,537 cycles
Engine
Pwa PW2037
Part
Module
Condition
Leaking
Location
Lt Hyd System
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
A

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

What was found

LT HYDRAULIC SYSTEM QUANTITY DECREASE. THE CAUSE OF THIS EVENT WAS AN INCORRECT UNION/SEAL COMBINATION ON THE LT SLAT/FLAP DEPRESSURIZATION MODULE. THE SEAL/RETAINER WAS REPLACED WITH THE CORRECT PACKING.