# SDR SWAA051375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2005
- Submitted: May 13, 2005
- Operation: Air carrier
- Aircraft: [N483WN](https://openairdocs.org/aircraft/N483WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32472
- Aircraft time: 2,526 hours, 1,411 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Pulley
- Part number: 6549568
- Condition: Worn
- Location: Horizontal Stab
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA051375

## Discrepancy

AIR TURNBACK.  POPPING NOISE/METALIC SOUND HEARD IN FLOOR NEAR L1 DOOR.  INSPECTED FWD E & E COMPARTMENT & FOUND BOTH HORIZONTAL STAB TRIM CABLE PULLEYS WORN.  REMOVED AND REPLACED BOTH PULLEYS PER MM.

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