# SDR SWAA2022012438410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2017
- Submitted: January 24, 2022
- Operation: Air carrier
- Aircraft: N412WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29818
- Aircraft time: 54,673 hours, 31,871 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Angle
- Condition: Broken
- Location: Lt Wheel Well
- 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/SWAA2022012438410

## Discrepancy

STIFFENER ANGLE AT STA 663 BULKEAD AFT SIDE; LBL 28; WL 4 WAS FOUND WITH PIECE BROKEN OFF. OF FWD FLANGE LOWER END / REMOVED STIFFNER ANGLE @ STA 663 AFT BULKHEAD AFT SIDE LBL 28; WL 4 IAW SRM 51-40-02-0G-0; LOCATED & DRILLED AND INSTALLED STIFFNER ANGLE IAW BOEING DWG# 111A1001 & SRM 51-40-02-0G-0 81146U 5/15/17

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