# SDR NACA2021120900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2021
- Submitted: December 14, 2021
- Operation: Air carrier
- Aircraft: [N351CM](https://openairdocs.org/aircraft/N351CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 25201
- Aircraft time: 105,182 hours, 18,730 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Ignition Unit
- Part number: 38880587
- Part serial: 140265
- Condition: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2021120900001

## Discrepancy

APU FAILED TO START. REMOVED AND REPLACED APU IGNITOR BOX OPS CHECKED GOOD AT THIS TIME IAW B767 AMM 49-41-03. NO PART INFORMATION AVAILABLE, UNIT REMOVED FROM SYSTEM.

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