# SDR SWAA2021061472706

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2021
- Submitted: June 14, 2021
- Operation: Air carrier
- Aircraft: [N222WN](https://openairdocs.org/aircraft/N222WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34290
- Aircraft time: 52,415 hours, 31,247 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 480 Lbl24
- 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/SWAA2021061472706

## Discrepancy

CORROSION ON FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B.S. 480+2; L.B.L. 24; W.L 154. ; / THIS DISCREPANCY WILL BE ACCOMPLISHED ON CARD TTG8Q0051MKY; VERIFIED THIS DISCREPANCY WILL BE ACCOMPLISHED ON CARD TTG8Q0051MKY. 1. MIGUEL CORDOVA (TECHNICIAN), 15-MAY-2021 19:45 UTC THE SRM 53-30-53-01-2, IDENTIFICATION AND SRM53-00-53-1A-2 ALLOWABLE DAMAGE IS APPLICABLE TO A/C. REMOVED CORROSION ON FCB FLOOR TO SIDEWALL SUPPORT AT BS500+10 ,LBL 24, WL 154 PER SRM 51-10-02-0G-0 MEASURE L=1.5" X W=.7" X D=0.020" MAX .MAT LOSS IS 0.020", REMAINING THICKNESS IS 0.020", ORIGINAL THICKNESS IS 0.040" (BAC 1496-444), FOUND OUT OF LIMITS, REWORKED AREA PER B 737-700 SRM 53-00-53-1A-2 ALLOWABLE DAMAGE PARAG. 4A (2) DETAIL. (E) FIG. 103.-

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