What was found
SLAT AND FLAP DEPRESSURIZATION MODULE LEAKS WITH PRESSURE ON AFTER FLAPS ARE STOWED. REMOVED & INSTALLED NEW MODULE AND CONNECTED HYDRAULIC LINES. REPLACED FLAP SLAT DEPRESSURIZATION MODULE. LEAK CHECKED GOOD. OPS CHECKED GOOD.
- Difficulty date
- August 3, 2011
- Submitted
- August 11, 2011
- Operation
- Air carrier
- Aircraft
- N551UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25399
- Aircraft time
- 75,019 hours, 21,718 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2750 · Trailing Edge Flap Control System
- Part
- Module
- Part number
- 1153701216
- Part serial
- 498
- Condition
- Leaking
- Location
- Flap Slat Sys
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.