# SDR SWAA2021072138954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2020
- Submitted: July 21, 2021
- Operation: Air carrier
- Aircraft: [N465WN](https://openairdocs.org/aircraft/N465WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33829
- Aircraft time: 56,790 hours, 33,746 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Cracked
- Location: Bs 540
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021072138954

## Discrepancy

TRANSFERRED FROM LOGPAGE# 1507840; VERT. STIFFENER CRACKED ON THE FWD SIDE OF THE CENTER FUEL TANK STA 540; RBL 25 INCHES. APPORX; 1 INCH BY 2.5 INCHES. HFEC VERIFIED. / CRACKED VERTICAL STIFFENER ON THE FWD SIDE OF THE CENTER FUEL TANK BS540; RBL 25 WAS REPIARED IAW ATS ER 20-03750 REV IR DATED 04JAN21 AND EA 21-157-00006 REV IR

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