# SDR SWAA001830

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2000
- Submitted: September 29, 2000
- Operation: Air carrier
- Aircraft: N724SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27856
- Aircraft time: 6,079 hours, 3,654 cycles
- System (JASC): [2410 · Alternator-Generator Drive](https://openairdocs.org/jasc/2410)
- Part: Gcu
- Part number: 762185E
- Condition: Inoperative
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA001830

## Discrepancy

AIR TURNBACK, ON CLIMBOUT NR 1 ENG T/R FAILED, LT FWD RT AFT BOOST PUMPS FAILED, BOTH CDU''S, ELEC HYD PUMPS, YAW DAMP, AUTO FAIL PRESS, MOST CAPT INST, NO C/B''S TRIPPED.  REMOVED AND REPLACED NR 1 GCU PER MM.

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