# SDR SWAA2020052175498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2020
- Submitted: May 21, 2020
- Operation: Air carrier
- Aircraft: [N922WN](https://openairdocs.org/aircraft/N922WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32461
- Aircraft time: 41,140 hours, 24,679 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Attach Angle
- Part number: 146A812553
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020052175498

## Discrepancy

AFT CARGO DOOR SURROUND STRUCTURE; FORWARD SHIELD ASSY. LOWER INBOARD ATTACH ANGLE HAS CORROSION UNDER NUTPLATES. STATION 767-787; STRINGER 24R; WL170. / REMOVED CORROSION IN AFT CARGO DOOR SURROUND STRUCTURE FWD SHIELD ASSY. LOWER I/B ATTACH ANGLE STA 767-787 STRINGER 24R IAW SRM 51-10-02-0G-0. 100% MATERIAL LOSS FOUND OUT OF LIMITS IAW B737 SRM 53-60-15-1A-1. REMOVED AND REPLACED ANGLE IAW B737 SRM 51-40-02-0G-0 AND DWG 146A0081 REV- AND 146A8125 REV A. P/N 146A8125-53

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