# SDR VNAA202601280009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2026
- Submitted: January 28, 2026
- Operation: Air carrier
- Aircraft: [N646NN](https://openairdocs.org/aircraft/N646NN), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 15439
- Aircraft time: 13,250 hours, 13,743 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Fitting
- Part number: SH670320753
- Condition: Corroded
- Location: Zone 100
- 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/VNAA202601280009

## Discrepancy

CORROSION ON FITTINGS 2EA BTW FS 349 TO FS 364 AND STRG 25LH TO STGR 27 AT AVIONICS COMPARTMENT DOOR SURROUND STRUCTURE.  CORROSION ON FITTING 1EA BTW FS 349 TO FS 364 AND STRG 26LH AT AVIONICS COMPARTMENT DOOR SURROUND STRUCTURE WAS REMOVED PER CRJ 900 SRM 51-21-06-001-001-A01 AND EVALUATED WHITHIN LIMITS PER CRJ 900 SRM 53-00-00-101-001, FITTING 1EA BTW FS 349 TO FS 364 AND STRG 27 AT AVIONICS COMPARTMENT DOOR SURROUND STRUCTURE WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 53-21-23-101-003-A02 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.

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