What was found
MAINT MESSAGE 21-24102 DISPLAYED WHEN DOING CABIN TEMP CONTROL BITE TEST. RIGHT UPPER FLOW CONTROL VALVE INOPERATIVE. REPLACED UPPER FLOW CONTROL VALVE PER MM, OPS CHECKED NORMAL.
- Difficulty date
- December 11, 2011
- Submitted
- January 13, 2012
- Operation
- Air carrier
- Aircraft
- N781UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26945
- Aircraft time
- 62,905 hours, 11,125 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Control Valve
- Part number
- 8102042
- Part serial
- 1654
- Condition
- Failed
- Location
- Cabin Air
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.