# SDR IPXA2026081527200

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2026
- Submitted: August 18, 2026
- Operation: Air carrier
- Aircraft: [N331UP](https://openairdocs.org/aircraft/N331UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27757
- Aircraft time: 69,295 hours, 23,159 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Shaft
- Part number: 113T13413
- Part serial: TAG336662A
- Condition: Corroded
- Location: Zone 500 Flap
- 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/IPXA2026081527200

## Discrepancy

FOUND LT WING OTBD FLAP NR 2 SUPPORT CRANK ARM AND INPUT SHAFT CORROSION.  IAW AMM 27-51-21-024-001, REV 148, REMOVED LT WING NR 2 FLAP ACTUATOR CRANK ARM & INPUT SHAFT. IAW AMM 27-51-21-424-032, REV 148.  INSTALLED LT WING NR 2 FLAP ACTUATOR CRANK ARM & INPUT SHAFT WITH NEW PARTS.

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