What was found
APU DUCT PRESSURE DROPPED TO 15 PSI DURING START. REMOVED AND REPLACED SURGE CONTROL VALVE IAW AMM 49-53-01, OPS CHECKED GOOD.
- Difficulty date
- December 18, 2017
- Submitted
- December 22, 2017
- Operation
- Air carrier
- Aircraft
- N1049A
- Make and model
- Boeing 76736N
- Aircraft serial
- 30109
- Aircraft time
- 78,355 hours, 10,079 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Control Valve
- Part number
- 97980611
- Part serial
- 2871
- Condition
- Failed
- Location
- Apu
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.