# SDR WRNA201404010004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2014
- Submitted: April 1, 2014
- Operation: Air carrier
- Aircraft: N953AR
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48520
- Aircraft time: 62,934 hours, 16,144 cycles
- Engine: Pwa PW4460
- Engine time: 52,858 hours, 13,419 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Condition: Inoperative
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WRNA201404010004

## Discrepancy

CREW REPORTED THEY LOST THE RT EMERGENCY AC BUSS.  THE ALERT WAS GENERATOR BUSS 3 FAULT.  HAD ONLY A SINGLE GENERATOR OPERATIVE.  FOLLOWED QRH PROCEDURES, DEPLOYED ADG AND  LANDED WITHOUT FURTHER INCIDENT.    PERFORMED TASK IAW FIM 24-20-05.  AUTO RESET OF EPCU.  STOWED ADG.  OPS CHECKED NORMAL.

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