# SDR VNAA202104271112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2021
- Submitted: April 27, 2021
- Operation: Air carrier
- Aircraft: [N608NN](https://openairdocs.org/aircraft/N608NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15473
- Aircraft time: 2,970 hours, 2,666 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Gouged
- Location: Bs 581-597
- 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/VNAA202104271112

## Discrepancy

DURING OVERNIGHT MAINTENANCE,  MX REPORTED A GOUGE ON THE AC SKIN GOUGE LOCATED AT FS581-FS597 STGR20L Ï¿½ STGR21L THE GOUGE DIMENSIONS ARE AS FOLLOWS .781"L X .375"W X .0085"D. THE AC SKIN (P/N SH690-33202-19) IS FABRICATED FROM 2024-T3 .150Ï¿½, CHEM MILLED DOWN TO .078Ï¿½ IN THE DAMAGED AREA. C/W HFEC OF GOUGE ON AC SKIN LOCATED AT FS581-FS597 STGR20L Ï¿½ STGR21L IAW CRJ 900 NDT MANUAL 51-21-006 NO DEFECTS NOTED.PERFORMED UT INSPECTION PER CRJ 900 NDTM PART 1 51-20-004-270-A01. PERM REPAIR COMPLIED WITH IAW EA_21-C9-53-230 REV B. 337 SUBMITTED DETAILS ON FILE.

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