What was found
NR 2 ENG TVBC PIN WAS FOUND RECESSED NOT BROKEN. NR 2 ENGINE TVBC INDICATOR PIN MISSING. TVBC VALVE TO BE REPLACED WITHIN 100 FLIGHT HOURS PER MM. NR 2 ENG TVBC INDICATOR PIN IS PRESENT BUT IS RETRACTED REPLACED VALVE ASSY.
- Difficulty date
- February 13, 2012
- Submitted
- March 2, 2012
- Operation
- Air carrier
- Aircraft
- N204UA
- Make and model
- Boeing 777222
- Aircraft serial
- 28713
- Aircraft time
- 58,935 hours, 8,312 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 7520 · Engine Cooling System
- Part
- Valve
- Part number
- 1110V07003
- Condition
- Faulty
- Location
- Nr 2 Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.