# SDR AALA202112127725

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2021
- Submitted: December 12, 2021
- Operation: Air carrier
- Aircraft: [N976NN](https://openairdocs.org/aircraft/N976NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 33243
- Aircraft time: 18,917 hours, 7,613 cycles
- System (JASC): [4997 · APU System Wiring](https://openairdocs.org/jasc/4997)
- Part: Wire Harness
- Part number: 38884492
- Condition: Faulty
- Location: Zone 300 - Stabs
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112127725

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING TAKE OFF ROLL, APU FAULT AND MASTER CAUTION ILLUMINATED. REJECTED TAKEOFF AT APPROXIMATELY 60 KNOTS. RETURNED TO GATE. **SUPPLEMENTAL REPORT FOR AALA202112097725: REPLACED APU WIRE HARNESS PER AMM 49-11-01.** (CLOSED)

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