# SDR P5CA2021081000313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2021
- Submitted: August 10, 2021
- Operation: Air carrier
- Aircraft: N643GT
- Make and model: Boeing 767-3JHF
- Registry model: [Boeing 767-3JHF](https://openairdocs.org/model/boeing-767-3jhf) (OpenAirDocs)
- Aircraft serial: 37809
- Aircraft time: 5,607 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 2780540101
- Part serial: 0156
- Condition: Faulted
- Location: Apu
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2021081000313

## Discrepancy

APU BLEED FUNCTION INOP(<P>FND APU DUCT PRESSURE DROP TO ZERO DURING L ENG START. PER AMM  71-00-00 PRFORM BOTH ENGINE DRY MOTORING, CONDITION NORMAL WITH GROUND PNEUMATIC SOURCE. TRANSFERRED TO MDDR 151273 IAW MEL 49-11-01-01 CAT C.</P> / <P>LP <SPAN>1483980: </SPAN><SPAN>REMOVED AND REPLACED APU SUPPLY SOV THEN OPER CHECK OK PER AMM 36-11-10/401. THIS CLEARS MDDR 151273.</SPAN></P>)

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