# SDR VNAA2026090123901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2026
- Submitted: September 1, 2026
- Operation: Air carrier
- Aircraft: [N633NN](https://openairdocs.org/aircraft/N633NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15377
- Aircraft time: 23,436 hours, 18,159 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Duct
- Part number: GG670803011
- Part serial: BN397703
- Condition: Leaking
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA2026090123901

## Discrepancy

L BLEED DUCT WARNING MSG IN FLIGHT RUN QRH,  REMOVED AND REPLACED THE BLEED-AIR CROSSOVER DUCT IAW CRJ 900 AMM 36-19-09-000/400-801-A04. PERFORMED LEAK TEST OF THE BLEED-AIR DISTRIBUTION SYSTEM IAW CRJ 900 AMM 36-10-00-790-801. OPS CHECK GOOD AT THIS TIME.

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