# SDR VNAA20260329032

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 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): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Fitting
- Part number: SH670324753
- Condition: Corroded
- Location: Zone 200
- 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/VNAA20260329032

## Discrepancy

CORROSION ON CLOSING FITTINGS (2 EAS) OF PASSENGER DOOR ON FLOOR STRUCTURE BTW FS 310.0 TO FS 349.0 AT PASSENGER CABIN.  CORROSION ON CLOSING FITTINGS (2 EAS) OF PASSENGER DOOR ON FLOOR STRUCTURE BTW FS 310.0 TO FS 349.0 AT PASSENGER CABIN WAS REMOVED PER SRM 51-21-06-001-001-A01 EVALUATED OUT LIMITS PER CRJ-900 SRM 53-21-23-101-001-A02 AND REPLACED PER SRM 51-42-21-001-001-A01.

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