# SDR SWAA2025041424272

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2025
- Submitted: April 14, 2025
- Operation: Air carrier
- Aircraft: [N410WN](https://openairdocs.org/aircraft/N410WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27897
- Aircraft time: 77,679 hours, 46,103 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Zone 100
- 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/SWAA2025041424272

## Discrepancy

FWD CARGO PIT R/H FLOOR TO SIDEWALL ANGLE CORRODED AROUND FASTENER HOLES FROM STATION 500 TO 500A<[01] CORROSION IS OUT OF LIMITS DUE TO PROXIMITY TO A FASTENER HOLE PER SRM 53-30-15-1A-1 FIG. 103 DETAIL D;[02] CORRECTED STATION 500-500A;[03] REMOVED FWD CARGO DOOR SURROUND AFT SHIELD IAW SRM 51-40-02-0G-0. LOCATED AND DRILLED NEW SHIELD IAW SRM 51-40-05-0G-0. APPLIED TOPCOAT IAW AMM 51-21-73.;[04] INSTALLED FWD CARGO DOOR SURROUND AFT SHIELD IAW SRM 51-40-02-0G-0 AND BOEING DWG 143A0080 SHEET 19;[05] CHANGED RII FROM NO TO YES;[06] C/W RII OF INSTALLATION OF NEW SHIELD REF SRM 51-40-02; AN APPLICATION OF TOPCOAT REF AMM 51-21-73

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