# SDR SWAA991183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: 089SW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22904
- Engine: Pwa JT8D9A
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Fcu
- Part number: 743602
- Condition: Reqd Service
- Location: Nr 1 Engine
- Stage of operation: CL
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA991183

## Discrepancy

AIR TURNBACK, NR 1 ENG BEGAN A MINOR THRUST SURGE.  THRUST SURGE WENT AWAY WITH REDUCTION OF THRUST.  CLEANED NR 1 ENG PS3 AND PS4 MOISTURE TRAPS, SERVICED FCU WITH VERALUBE.  PERFORMED ENG STATIC RIG AND TRIM RUN PER MM.

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