# SDR UIEA2020092200023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2020
- Submitted: September 24, 2020
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 94,745 hours, 22,292 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Control Valve
- Part number: 97980612
- Part serial: 437C
- Condition: Malfunctioned
- Location: Apu Surge
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020092200023

## Discrepancy

APU PNEUMATIC PRESSURE INSUFFICIENT TO START ENGINES.  ISSUED MDDR 134719, IAW MEL 49-11-01A, CAT C, DUE 30SEP20 DISPATCH 1457Z ST.  ITEM M4: R & R APU SURGE CONTROL VALVE, IAW AMM 49-53-01.  OPS CHECK GOOD.  THIS CLEARS DMI 134719.  PLACARD REMOVED.  MCC NOTIFIED. T/I: EH AT 13:48Z.

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