What was found
DURING ENGINE START APU DIED TWICE, AFTER GOING TO BLEED OFF, KEPT BLEED ON ON APU TO START ENGINES. R & R SURGE BLEED VALVE, OPS AND LEAK CHECKS SATISFACTORY, OK FOR RETURN TO SERVICE, REF AMM 49-53-01.
- Difficulty date
- September 22, 2012
- Submitted
- September 24, 2012
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 70,160 hours, 14,778 cycles
- Engine
- Ge CF680C2B6F
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Bleed Valve
- Part number
- 97980612
- Part serial
- 3340
- Condition
- Failed
- Location
- Apu Engine
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- G, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.