# SDR UIEA2023050900443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2023
- Submitted: May 11, 2023
- Operation: Air carrier
- Aircraft: [N1489A](https://openairdocs.org/aircraft/N1489A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27206
- Aircraft time: 113,511 hours, 23,184 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023050900443

## Discrepancy

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>)

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