# SDR CALA2026060216750

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 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): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Cracked
- Location: Zone 600 Flap
- Part time: 52,790 hours, 18,878 cycles
- 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/CALA2026060216750

## Discrepancy

SUPPORT TASK:  RH O/B AFT FLAP LOWER SKIN AT I/B TRACK HAS CRACK AT DRAIN HOLE.TRANSCRIBED FROM AAR GSO NRC 9282672. RECEIVED NEW RIGHT WING OTBD AFT FLAP ASSY PN#113A3700-24UAL FLAP ASSY REMOVED AND REPLACED ON AAR GSO NRC 9282690. AAR GSO MECH V896730 ALL MAINTENANCE WAS ACCOMPLISHED BY AAR/GSO. RECEIVED NEW RIGHT WING, OUTBOARD AFT FLAQP ASSY P/N 113A 3700-24UAL, P.O. # 1145828.1 FLAP AQSSY REMOVED & INSTALLED ON AAR NON-ROUTINE 22690.

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