# SDR NACA2024073100001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2024
- Submitted: August 6, 2024
- Operation: Air carrier
- Aircraft: [N321CM](https://openairdocs.org/aircraft/N321CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 29431
- Aircraft time: 89,392 hours, 15,704 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Bleed Air Sys
- Condition: Weak
- Location: Apu
- Component: Apu
- Component part number: 380029812
- Stage of operation: NR
- 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/NACA2024073100001

## Discrepancy

APU BLEED PRESSURE WEAK, 10-20 PSI. CAUSING PROLONGED ENGINE START 50-55 SECONDS. DEFERRED APU PER MEL 49-11-01A.  REPLACED APU IAM AMM 49-11-01-404 OPS AND LEAK CHECK GOOD.

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