# SDR VNAA20250602026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2025
- Submitted: June 2, 2025
- Operation: Air carrier
- Aircraft: [N598NN](https://openairdocs.org/aircraft/N598NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15413
- Aircraft time: 19,600 hours, 17,685 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: SH670320754S
- Condition: Corroded
- Location: Zone 100
- 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/VNAA20250602026

## Discrepancy

CORROSION ON INTERCOSTALS (3 EAS) BTW FS349.00/FS364.00 AND STGR26L/STGR26R AT MAIN AVIONICS COMPARMENT DOOR SURROUND STRUCTURE.   CORROSION ON INTERCOSTALS (3 EAS) BTW FS349.00/FS364.00 AND STGR26L/STGR26R AT MAIN AVIONICS COMPARMENT DOOR SURROUND STRUCTURE WAS REMOVED, PER CRJ-900 SRM 51-21-06-001-001-A01 AND EVALUATED  INTERCOSTAL (1EA) BTW FS349.00/FS364.00 AND STGR26R  WITHIN LIMITS PER CRJ-900 SRM 53-21-23-101-003-A02, BY EXCESSIVE DAMAGE ON INTERCOSTAL (2EAS) BTW FS349.00/FS364.00 BTW STGR26LH AND STGR26RH MUST BE REPLACED PER CRJ-900 SRM 53-21-23-101-003-A02 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01  AND SRM 51-42-21-001-001-A01

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