# SDR ASAA2020081073000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2020
- Submitted: August 10, 2020
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 38,391 hours, 11,186 cycles
- System (JASC): [4997 · APU System Wiring](https://openairdocs.org/jasc/4997)
- Part: Wire Harness
- Part number: 38884492
- Condition: Faulty
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020081073000

## Discrepancy

NR 1 ENGINE WOULD NOT START,  NO N2 ROTATION.   GROUNDED - YES.  REPLACED THE APU ENGINE WIRE HARNESS IAW AMM 49-11-01/401. OPS TESTED GOOD. STARTED THE NR 1 ENG WITH APU BLEED. NR 1 ENGINE STARTED NORMALLY. NO DEFECTS NOTED.

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