# SDR R61A201510210742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2015
- Submitted: October 21, 2015
- Operation: Air carrier
- Aircraft: N336NG
- Make and model: Bombdr DHC8402
- Aircraft serial: 4336
- Aircraft time: 8,805 hours, 8,525 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Doubler
- Part number: 85307789101
- Condition: Corroded
- Location: Service Port
- Part time: 8,805 hours, 8,525 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A201510210742

## Discrepancy

DURING HEAVY CHECK, MAINTENANCE FOUND CLEVEL 2 CORROSION ON BOTTOM AFT CORNER OF LAV SERVICE PORT INTERNAL DOUBLER.  MAINTENANCE R & R DOUBLER IAW SRM 51-42-05-02-01.

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