# SDR MASA20210405149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2021
- Submitted: April 5, 2021
- Operation: Air carrier
- Aircraft: [N920FJ](https://openairdocs.org/aircraft/N920FJ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15020
- Aircraft time: 39,612 hours, 31,944 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: MM67043255001
- Condition: Corroded
- Location: Bs 1031-1051
- 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/MASA20210405149

## Discrepancy

CORROSION ON INTERNAL PRODUCTION DOUBLER OF AFT MAST DRAIN STA. FS=1031-1051 BETWEEN STGR 27 TO 26RH AT AFT CARGO COMPARTMENT. PRODUCTION DOUBLER OF AFT MAST DRAIN  STA. FS=1031 -1051 BETWEEN STGR 27 TO 26RH AT AFT CARGO COMPARTMENT WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01.

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