# SDR SWAA2023030695253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2023
- Submitted: March 6, 2023
- Operation: Air carrier
- Aircraft: [N955WN](https://openairdocs.org/aircraft/N955WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36671
- Aircraft time: 38,739 hours, 23,607 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Web
- 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/SWAA2023030695253

## Discrepancy

CORROSION ON 1016 WEB RBL 4 BS 1016+13; RBL 19 BS 1016+10.5.<[01] CORROSION ON BS 1016 SHEAR WEB AT RBL 4 AND RBL 19 FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS GIVEN IN THE SRM;[02] BS 1016 SHEAR WEB BL 0 TO RBL 51 TO BE REPLACED ON CARD# TTG8QOOHFM3P;[03] TASK CARD COMPLETE;[04] VERIFIED CORRECTIVE ACTION ITEM 1-2; MEASUREMENT FIELDS NOT COMPLETED BY AMT.;[05] UPDATED MEASUREMENT TABLE. FAULT COMPLETE;[06] VERIFIED MEASUREMENT TABLE; INSPECTION COMPLETE

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