What was found
NO APU AIR PRESURE WITH APU RUNNING. RESEATING THE CIRCUIT BREAKER CLEARED THE MESSAGE. REACTIVATED CENTER ISOLATION VALVE IAW AMM 36-11-11. PNEUMATIC PRESSURE READS NORMAL.
- Difficulty date
- April 9, 2018
- Submitted
- April 10, 2018
- Operation
- Air carrier
- Aircraft
- N1997A
- Make and model
- Boeing 76733A
- Aircraft serial
- 27310
- Aircraft time
- 93,350 hours, 18,572 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Isolation Valve
- Condition
- Malfunctioned
- Location
- Apu Bleed Air
- 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.