# SDR CALA2026080518303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 5, 2026
- Operation: Air carrier
- Aircraft: [N77542](https://openairdocs.org/aircraft/N77542), registered now
- Make and model: Boeing 737824
- Aircraft serial: 63647
- Aircraft time: 27,283 hours, 10,393 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Retainer
- Part number: 115A21567
- 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/CALA2026080518303

## Discrepancy

CRACKED LT WING T/E DEFLECTION CONTROL RIB FIXED PANEL LOWER HORIZONTAL BULB SEAL WEB RETAINER OTBD END.  R & R THE RETAINER AT L/W T/E DEFLECTION CONTROL RIB FIXED PANEL LOWER HORIZONTAL IAW SRM 51-40-02-0G-0, AND DWG 115A2512.

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