# SDR VNAA202607300006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2026
- Submitted: July 31, 2026
- Operation: Air carrier
- Aircraft: [N644NN](https://openairdocs.org/aircraft/N644NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15437
- Aircraft time: 15,145 hours, 15,678 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Part number: CC670140028
- Condition: Damaged
- Location: Zone 600 Flap
- Component: Flap, Cndair
- Component part number: CC670140028
- 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/VNAA202607300006

## Discrepancy

TEMPORARY DISPOSITION FOR BLENDED NICK/GOUGES DAMAGE TO RH INBD FLAP LOWER SKIN BTW FLS25.5-FLS36 & FRONT SPAR & T/E THE SUBJECT CONDITIONS IS STRUCTURALLY ACCEPTABLE FOR 4600 FLIGHT HOURS FROM THE TIME OF INCORPORATION OF THIS REO AT REV.   PREVIOUS BLEND OUT ON RH INBD FLAP LOWER SKIN BTW FLS25.5-FLS36 WAS EVALUATED AND THEREFORE WAS FOUND OUT OF LIMITS PER CRJ-900 SRM 57-52-01-101-001-A01, FLAP WAS REPAIRED PER CRJ 900 SRM 57-52-01-201-005-A01 AND CONTINUING AIRWORTHINESS DAMAGE TOLERANCE INSPECTION REQUIREMENTS IN REFERENCE PER CRJ900 SRM 57-52-01-201-005-A01, TABLE 1. PERFORM SPECIAL DETAILED INSPECTION AT EVERY 40,000 FLIGHT CYCLES AT INNER SURFACE OF INB FLAP AT RH WING.

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