# SDR SWAA2021072682420

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2021
- Submitted: July 26, 2021
- Operation: Air carrier
- Aircraft: [N441WN](https://openairdocs.org/aircraft/N441WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29837
- Aircraft time: 60,854 hours, 35,872 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Cracked
- Location: Rt Wing
- 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/SWAA2021072682420

## Discrepancy

CRACK FRONT SPAR ANGLE LOCATED ABOVE FUEL BOOST PUMP IFSS 120 APPROX AT RT WING ; 2021-269827 / [01] DIGITAL CALIPER P/N: 500-97-30; S/N: B20189526; DUE DATE: 22-NOV-21.; [02] PERFORMED FUEL LEAK DETECTION CHECK IN FRONT SPAR WEB LOCATED FUEL BOSS PUMP IFSS 120 APPROX AT RT WING IAW B737-700 AMM 28-11-00-790-801; NOT FOUND LEAK.; [03] REPLACED FRONT SPAR ANGLE LOCATED ABOVE FUEL BOOST PUMP IFSS 120 APPROX AT RT WING IAW SRM B737-700 51-40-02; 51-10-02 ITEM 9 AND DRAWING 116A3001 REV -; [04] REPLACED FRONT SPAR ANGLE LOCATED ABOVE FUEL BOOST PUMP IFSS 120 APPROX AT RT WING IAW SRM B737-700 51-40-02; 51-10-02 ITEM 9 AND DRAWING 116A3001 REV -

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