# SDR MASA20211221623

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2021
- Submitted: December 21, 2021
- Operation: Air carrier
- Aircraft: N905J
- Make and model: Cndair CL600*
- Aircraft serial: 15005
- Aircraft time: 43,327 hours, 34,453 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: None
- Part number: SH670316337
- Part serial: NA
- Condition: None
- Location: Stgr 20l At Fs 3
- Part time: 43,327 hours, 34,453 cycles
- 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/MASA20211221623

## Discrepancy

THE LOWER FUSELAGE SKIN PANEL HAD A PREVIOUS REPAIR INSTALLED PER REO 690-53-21-989 THAT CONFLICTED WITH THE OPERATOR RECOMMENDED SERVICE BULETIN 670BA-53-057 THAT INVOLVES RELOCATING THE DRAIN HOLES FORWARD AND INSTALLING TWO SMALL DOUBLERS FOR THE NEW DRAIN TUBES. PERFORMED PERMANENT REPAIR IAW CRJ7/9 SRM 53-11-01-991-802-1.

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