# SDR SWAA2021082304050

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2021
- Submitted: August 23, 2021
- Operation: Air carrier
- Aircraft: [N964WN](https://openairdocs.org/aircraft/N964WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36965
- Aircraft time: 32,901 hours, 20,020 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Cargo Threshold
- 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/SWAA2021082304050

## Discrepancy

CORROSION ON SUBTHRESHOLD WEB AT AFT CARGO BAY BS826 RBL26 WL159. ; / [01] REMOVED CORROSION ON ACB SUBTHRESHOLD AT BS 826 RBL 26 WL 159 IN AREA OF 1.5'L X 1'W X 0.008' DEEP. ORIGINAL THICKNESS .045'; REMAINING THICKNESS .037' FOUND TO BE OUT OF LIMITS IAW <BR>SRM 53-60-15-1A-1<BR><BR>DEPTH GAUGE ATS1225 S/N UNKNOWN 07/2022; [02] VERIFIED; [03] VERIFIED DAMAGE IS OUT OF LIMITS IAW SRM 53-60-15-1A-1; [04] WORK WILL BE ACCOMPLISHED ON CUSTOMER CARD TTG8Q0061VTT (FUSELAGE 5091); [05] VERIFIED WORK WILL BE ACCOMPLISHED ON CUSTOMER CARD TTG8Q0061VTT.

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