# SDR CALA2025041703935

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2025
- Submitted: April 17, 2025
- Operation: Air carrier
- Aircraft: [N35407](https://openairdocs.org/aircraft/N35407), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30124
- Aircraft time: 64,404 hours, 26,836 cycles
- System (JASC): [5713 · Wing, Longeron/Stringer](https://openairdocs.org/jasc/5713)
- Part: Stringer
- Part number: 112A3209205
- Condition: Cracked
- Location: Zone 500
- 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/CALA2025041703935

## Discrepancy

L/W INSIDE TANK ACCESS PANEL 532RB VIEW LOOKING UP AND AFT STRINGER U9 HAS A CRACK IN END OF STRINGER AND APPEARS TO END AT FASTENER.   REPAIRED L/W U9 STRINGER IAW UNITED ECRA 5720-03519 REV ORIGINAL AND ACCOMPLISHED FUEL LEAK CHECK IAW 737-900 AMM 28-11-01 LEAK CHECK GOOD

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