# SDR CALA2026090119148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2025
- Submitted: September 1, 2026
- Operation: Air carrier
- Aircraft: [N27734](https://openairdocs.org/aircraft/N27734), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28949
- Aircraft time: 82,965 hours, 29,394 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Repair
- Part number: 143A32524
- Condition: Undocumented
- Location: Bs 360-400
- 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/CALA2026090119148

## Discrepancy

DURING AGING AIRCRAFT INSPECTION FOUND EXISTING EXTERNAL FUSELAGE REPAIR AT APPROX BS 375-390, STR 19R-21R. UNABLE TO FIND ANY DOCUMENTATION OF REPAIR INSTALLATION OR ASSOCIATED DIPS FOR CAT B REPAIR INSPECTION.  ACCOMPLISHED SKIN REPAIR AT RT SIDE BS 360-400, STR 18-20R IAW ECRA 5330-07670 AND SRM 53-00-01-2R-36,

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