# SDR AALA20160906003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2016
- Submitted: September 6, 2016
- Operation: Air carrier
- Aircraft: [N972TW](https://openairdocs.org/aircraft/N972TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53622
- Aircraft time: 48,776 hours, 23,909 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Csd
- Condition: Faulty
- Location: Nr 1
- Stage of operation: AP
- How discovered: O
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20160906003

## Discrepancy

DURING APPROACH NR 1 GENERATOR FAILED WITH APU ON PLACARD.  EMERGENCY DECLARED. LANDING UNEVENTFUL.  THE AIRCRAFT WAS GROUNDED.  MAINTENANCE REMOVED AND REPLACED THE NR 1 CONSTANT SPEED DRIVE IAW AMM 24-10-01 AND NR 1 GENERATOR IAW AMM 24-20-01.

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