# SDR CALA2025122312354

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2025
- Submitted: December 23, 2025
- Operation: Air carrier
- Aircraft: [N73276](https://openairdocs.org/aircraft/N73276), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31594
- Aircraft time: 75,014 hours, 26,779 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 112A2101206
- Condition: Corroded
- Location: Zone 600
- 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/CALA2025122312354

## Discrepancy

FOUND BULGING CORROSION ON RT WING INBD FRONT SPAR FUEL BOOST PUMP TANK NR 2 FWD AT LOWER CUTOUT SKIN BONDING STRAP ATTACHMENT POINT. REPAIR ACCOMPLISHED IAW ESR-WI 4-13335 AND ECRA 5720-03597.

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