# SDR 4T1R00002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2026
- Submitted: October 5, 2026
- Operation: General aviation
- Aircraft: [N925G](https://openairdocs.org/aircraft/N925G), registered now
- Make and model: Bombdr BD7001A10
- Aircraft serial: 9025
- Aircraft time: 5,753 hours, 2,475 cycles
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Spigot
- Part number: GM14701521
- Condition: Corroded
- Location: Zone 600
- Part time: 5,753 hours, 2,475 cycles
- Component: Flap, Bombdr, BD700
- Component part number: GM148100125
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4T1R00002

## Discrepancy

DURING THE BORESCOPE INSPECTION OF THE INBOARD FLAP INTERNAL STRUCTURE PER AMM 57-51-00-290-801, STEP F.(3), CORROSION WAS IDENTIFIED INSIDE THE AFT SPIGOT TUBE INNER BORE ON THE RIGHT-HAND INBD. FLAP. REFERENCE BOMBARDIER REPAIR ENGINEERING ORDER 700-57-51-535

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