# SDR UIEA2021100302166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2021
- Submitted: October 6, 2021
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Valve
- Part number: 97980618
- Part serial: 10712
- Condition: None
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021100302166

## Discrepancy

APU SHUTS DOWN WITH GENERATOR/ PACK ON(<P>APU IS DEFERRED MEL # 49-11-01A. ITEM TRANSFERRED TO MDDR # 154509. PLACARD INSTALLED.</P> / <P>LP 1382352 - ITEM # 5 - CVG - REMOVED AND REPLACED APU SURGE CONTROL VALVE IAW B767 AMM 49-53-01. OPS CHECK GOOD. DMI #154509 CLEARED. PLACARDS REMOVED.</P>)

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