# SDR VNAA202603280018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2026
- Submitted: March 28, 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): [5280 · Landing Gear Doors](https://openairdocs.org/jasc/5280)
- Part: Retainer
- Part number: CC670392482
- Condition: Corroded
- Location: Zone 800
- 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/VNAA202603280018

## Discrepancy

CORROSION ON SEAL RETAINER OF OTB FAIRING AT LH/RH MLG WHEEL WELL.   CORROSION ON SEAL RETAINER OF OTB FAIRING AT LH MLG WHEEL WELL WAS REMOVED AND EVALUATED WITHIN OF LIMITS PER CRJ-900 SRM 51-21-06-001-001-A01 AND SRM 53-00-00-101-001-A01 AND SEAL RETAINER OF OTB FAIRING AT RH MLG WHEEL WELL WAS REPLACED PER CRJ900 AMM 53-83-85-000-804 (CONFIG A01) AND AMM 53-83-85-400-804 (CONFIG A01)

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