# SDR DALA2025080505881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2025
- Submitted: August 5, 2025
- Operation: Air carrier
- Aircraft: [N141DU](https://openairdocs.org/aircraft/N141DU), registered now
- Make and model: Airbus BD-500-1A10
- Registry model: [Airbus BD-500-1A10](https://openairdocs.org/model/airbus-canada-ltd-ptnrsp-bd-500-1a10) (OpenAirDocs)
- Aircraft serial: 50061
- Aircraft time: 9,473 hours, 4,338 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Pinion Gear
- Condition: Corroded
- 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/DALA2025080505881

## Discrepancy

LEFT PINION NR 4 TEETH, NR 1 & 2 HAD EVIDENCE OF CORROSION,  LOWER SURFACE & PREVIOUS REWORK IAW ER/A 622578-14AD, REV A.  LIAISON ENGINEERING REQUIRED BEFORE FURTHER FLIGHT . COMPLIED WITH ERA 622578-14AD, REV B, SEC 2, & 4. PRI 622578-14AD, REV 0 MATCHES.

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