What was found
ZONE "E" TRIM VALVE. ZONE "E" TRIM VALVE IS FAULTING FOR PAST SEVEN LEGS WITH MAINT MESSAGE 21-20006. TROUBLESHOT IAW FIM 21-61, TASK 841. REPLACED ZONE E TRIM VALVE. VALVE TESTED NORMAL IAW FIM 21-61, TASK 841 AND AMM 21-61-02
- Difficulty date
- June 26, 2013
- Submitted
- July 25, 2013
- Operation
- Air carrier
- Aircraft
- N216UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30549
- Aircraft time
- 54,377 hours, 6,778 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Valve
- Part number
- 8102212
- Part serial
- 3618
- Condition
- Faulty
- Location
- 'E' Zone
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.