# SDR VNAA20260329008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 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): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Bonding Plate
- Part number: MM67037197007
- Condition: Missing
- Location: Zone 400
- 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/VNAA20260329008

## Discrepancy

MISSING SHIM (1EA) ON PYLON FS 1126.00 (UPPER SKIN) AT LH ENGINE.   NEW SHIM (1EA) ON PYLON FS 1126.00 (UPPER SKIN) AT LH ENGINE WAS INSTALLED PER CRJ900 SRM 51-42-10-001-001-A01

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