# SDR SWAA2022031040638

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2019
- Submitted: March 10, 2022
- Operation: Air carrier
- Aircraft: N418WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29823
- Aircraft time: 60,905 hours, 35,626 cycles
- System (JASC): [5743 · Wing, Landing Gear Attach Fittings](https://openairdocs.org/jasc/5743)
- Part: Trunnion
- Condition: Corroded
- Location: Wheel Well Lh
- 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/SWAA2022031040638

## Discrepancy

LT MLG FWD TRUNNION LOCATION #1 UPPER O/B OUTER FACE SHOWS EVIDENCE OF CORROSION. DOT 82-069. / AT LEFT MLG FWD TRUNNION FITTING LOCATION #1 UPPER O/B OUTER FACE SPOT FACED ON DEPTH OF 0.189' AND DIAMETER OF THE 3.00' AND REAMED UPPER O/B BORE TO A BORE DIAMTER OF 1.000' NO SIGN OF CORROSION REMAIN PER B737-700 SRM 57-20-90-2R-2 LEFT MLG FWD TRUNNION BEARING ASSY TO BE INSTALLED ON CUSTOMER CARD 732-11-01 POS1

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