# SDR SWAA2021052470105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2021
- Submitted: May 24, 2021
- Operation: Air carrier
- Aircraft: [N220WN](https://openairdocs.org/aircraft/N220WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32491
- Aircraft time: 52,961 hours, 31,490 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 767 Rbl 19
- 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/SWAA2021052470105

## Discrepancy

DOT# A45-008; AFT CARGO PIT DOOR CUTOUT; RH INTERCOSTAL HAS CORROSION ON UPPER AND LOWER SURFACE; WL: 156; RBL: 19; 767 TO 767+8. ; / REMOVED CORROSION ON R/H INTERCOSTAL AT STATION 767 ORIGINAL THICKNESS .056 REMOVED .016 REMAINING .040 INTERCOSTAL WAS FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1 VERIFIED BY TOOL 36649 DUE 8-4-21; VERIFIED CORROSION REMOVAL; FOUND TO BE OUT OF LIMITS.

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