# SDR CALA2026060116725

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2026
- Submitted: June 2, 2026
- Operation: Air carrier
- Aircraft: [N45440](https://openairdocs.org/aircraft/N45440), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33535
- Aircraft time: 52,790 hours, 18,878 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 116A44109
- 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/CALA2026060116725

## Discrepancy

LEFT WING INBD L/E SKIN HOLES NR 10 AND 11 HAVE CRACK INDICATIONS.  FABRICATED DOUBLER AND FILLER IAW UAL ECRA 5720-03641 AND SRM 57-41-01-2R-8 REPAIR 8. INSTALLED DOUBLER AND FILLER PER B737-900ER SRM 57-41-01-2R-8 REPAIR 8 AND ECRA 5720-03641.

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