What was found
APU SURGE VALVE PNEUMATIC DUCT ASSY RUBBER COUPLING IS DAMAGED(<P>REMOVED AND REPLACED APU SURGE VALVE PNEUMATIC DUCT ASSY PER AMM 44-53-01-404-010. LEAK CHECK OK </P>)
- Difficulty date
- May 8, 2023
- Submitted
- May 11, 2023
- Operation
- Air carrier
- Aircraft
- N1489A
- Make and model
- Boeing 76731K
- Aircraft serial
- 27206
- Aircraft time
- 113,511 hours, 23,184 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Surge Valve
- Part number
- 38842922
- Part serial
- NSN
- Condition
- Unknown
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.