What was found
NACELLE VENT SO VALVE (L ENG CH B) POWER CIRCUIT IS OPEN. REPLACED L NAC ZONE VENT SHUTOFF VALVE, NO HELP. CHECKED WIRES & CONNECTOR REF FIM 75-23 TASK 802. ALL CHECKED OK. REPLACED EEC, ALL TEST CHECKED GOOD, MESSAGE DID NOT SHOW.
- Difficulty date
- April 19, 2012
- Submitted
- May 25, 2012
- Operation
- Air carrier
- Aircraft
- N783UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26950
- Aircraft time
- 66,903 hours, 9,525 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 7500 · Engine Bleed Air System
- Part
- Vent
- Condition
- Unknown
- Location
- Nacelle
- 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.