# SDR SWAA2024042567507

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2024
- Submitted: April 25, 2024
- Operation: Air carrier
- Aircraft: [N924WN](https://openairdocs.org/aircraft/N924WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36628
- Aircraft time: 51,375 hours, 31,138 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: UNKNOWN
- Condition: Corroded
- Location: Bs 986 Rbl 44
- 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/SWAA2024042567507

## Discrepancy

CORROSION AROUND FASTENER HOLE BS 986 BEAM RBL 44 WL 208.<[01] EVALUATED DAMAGE AND FOUND OUT ALLOWABLE DAMAGE LIMITS IAW SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PAR 4.D(2)(A) FIGURE 103/DETAIL E .<BR>PERFORMED REPAIR ON THE UPPER CHORD OF THE<BR>FLOOR BEAM AT STA 986.5 AT RBL44 WL 208 IAW SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 3.

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