# SDR VNAA20260329023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2026
- Submitted: March 29, 2026
- Operation: Air carrier
- Aircraft: [N643NN](https://openairdocs.org/aircraft/N643NN), registered now
- Make and model: Bombdr CL6002D15
- Aircraft serial: 15436
- Aircraft time: 14,966 hours, 15,357 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: N1262075
- Condition: Corroded
- Location: Pax Cabin
- 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/VNAA20260329023

## Discrepancy

CORROSION ON RH LATERAL SEAT RAILS (FIVE SECTIONS) FROM FS379.00 TO FS720.85 AT PAX CABIN.  SIDE SEAT RAILS (FOUR SECTIONS) FS379.00 TO FS477 (1EA), FS485 TO FS581 (1EA), FS581 TO FS661+46 1(EA), FS661+46 TO FS669.4 1(EA) AT PAX CABIN WERE FOUND OUT OFF LIMITS PER CRJ900 SRM 53-21-49-101-001-A01, SRM 53-31-49-101-001-A02 AND SRM 53-41-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-00-49-400-801-A12 AND AMM 20-21-00-910-801-A01.

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