# SDR SWAA2022022870198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2018
- Submitted: February 28, 2022
- Operation: Air carrier
- Aircraft: [N953WN](https://openairdocs.org/aircraft/N953WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36668
- Aircraft time: 27,271 hours, 16,375 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Retainer
- Condition: Corroded
- Location: Lt Horiz. Stab.
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022022870198

## Discrepancy

L/H HORIZONTAL STABILIZER PIVOT HINGE BUSHING IS WORN INTO BUSHING RETAINER WITH EVIDENCE OF FRETTING. REF AMM 27-41-31 FIG 402 ITEMS [1] AND [17] / FACT AS A RESULT OF POST REPAIR INSPECTION. REF. AMM 27-41-31 FIG 402 ITEMS 1 & 17. REPAIRED PER EA 1-753-33635, SRM 51-20-01 & SOPM 20-41-02.

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