What was found
DECOMPRESSON ISSUE, RTFL. REPLACED LT ASCPC, GROUND TEST PASSED. ALSO CABIN PRESSURE SYS GROUND TEST PASSED. OPERATED BOTH OUTFLOW VALVES MANUALLY. COMPARED WITH INDICATION, ALL OK.
- Difficulty date
- May 15, 2010
- Submitted
- May 17, 2010
- Operation
- Air carrier
- Aircraft
- N797UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26924
- Aircraft time
- 54,336 hours, 7,839 cycles
- Engine
- Pwa PW4090
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Cabin Pressure
- Part number
- 11511007
- Part serial
- 95
- Condition
- Malfunctioned
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.