# SDR SWAA2024041060388

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2024
- Submitted: April 10, 2024
- Operation: Air carrier
- Aircraft: [N920WN](https://openairdocs.org/aircraft/N920WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32460
- Aircraft time: 51,721 hours, 31,260 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: UNKNOWN
- Condition: Corroded
- Location: Bs 987 Rbl 5
- 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/SWAA2024041060388

## Discrepancy

MAIN CABIN AFT WET AREA EVIDENCE OF CORROSION UNDER PRIMER AT FLOOR BEAM UPPER SURFACE STA 986.5 RBL 5'<[01] REMOVED CORROSION AT MAIN CABIN AFT WET AREA AT FLOOR BEAM UPPER SURFACE STA 986.5 RBL 5' SRM 51-10-02-0G-0<BR><BR>ORIGINAL MATERIAL 0.150'; REMAINING MATERIAL 0.141'; REMOVED MATERIAL 0.009'. REWORKED AREA IS OUT OF LIMITS REF SRM 53-70-51-1A.  THIS CARD WILL BE ACCOMPLISHED WITH CARD TTG8Q00S0AHJ.

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