# SDR MYWA110056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2011
- Submitted: June 21, 2011
- Operation: Air carrier
- Aircraft: [N752MA](https://openairdocs.org/aircraft/N752MA), registered now
- Make and model: Boeing 737-48E
- Registry model: [Boeing 737-48E](https://openairdocs.org/model/boeing-737-48e) (OpenAirDocs)
- Aircraft serial: 28198
- Aircraft time: 25,393 hours, 24,326 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Unknown
- Condition: Malfunctioned
- Location: Generator Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MYWA110056

## Discrepancy

ETOPS SIGNIFICANT SYSTEM:  NR 1 ENG START APU GENERATOR FALLS OFF LINE FREQ'S BELOW 390.  ACCOMPLISHED ADJUSTMENT AND TEST OF THE APU IAW B737-400 M/M 49-11-00 OPS CHECK NORMAL ACCOMPLISHED ENGINE START IAW B737-400 M/M 71-00-00 OPS CHECK NORMAL WITH APU NO DEFECTS.

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