# SDR SWAA2023070554681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2023
- Submitted: July 5, 2023
- Operation: Air carrier
- Aircraft: [N962WN](https://openairdocs.org/aircraft/N962WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36963
- Aircraft time: 38,452 hours, 23,554 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sidewall Support
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023070554681

## Discrepancy

FLOOR TO SIDE WALL SUPPORT HAS CORROSION AT BS 727E+2; LBL 22; WL 156<[01] REMOVED CORROSION FROM AFT CARGO BAY FLOOR TO SIDE WALL SUPPORT ANGLE BS 727E+2; LBL 22; WL 156; IN AREA OF 2' X 1' X 0.006' DEEP ORIGINAL MATERIAL THICKNESS 0.040' FOUND TO BE OUT OF LIMIT IAW SRM 53-00-53-1A-1 DET 4A(2A) FIG 103-D<BR>TOOLS USED MICROMETER ID:ATS1672; DUE:MAR-31-2024;[02] VERIFIED CORRECTIVE ACTION #1.;[03] THIS FAULT WILL BE ACCOMPLISHED<BR>WITH CUSTOMER CARD: TTG8Q00LCYK1;[04] UPDATE CORRECTIVE ACTION 1<BR>VERIFIED APPLICABILITY SRM 53-60-53-0I-2 FOR IDENTIFICATION<BR>AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE.;[05] UPDATE MEASUREMENT TABLE #17;[06] UPDATED MEASUREMENT TABLE #19. REPAIR TYPE IS MINOR.;[07] VERIFIED CORRECTIVE ACTION #3; #4.<BR>VERIFIED MEASUREMENTS.

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