# SDR REXA2026052800859

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2025
- Submitted: May 28, 2026
- Operation: Air carrier
- Aircraft: [N605LR](https://openairdocs.org/aircraft/N605LR), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15160
- Aircraft time: 38,997 hours, 27,804 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: SH670314052
- 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/REXA2026052800859

## Discrepancy

IN REFERENCE TO NRC 00604: CORROSION ON STRINGER 19RH, 20RH AND 21RH IN STA. FS= 437 TO FS= 453 AT MAIN AVIONICS COMPARTMENT. (E/E)  SUMMARY OF NRC 677 CORROSION ON STRINGER 20RH AND 21RH IN STA. FS= 437 TO FS= 453 AT MAIN AVIONICS COMPARTMENT WERE EVALUATED OUT LIMITS PER CRJ-900 SRM 53-21-03-101-006-A04 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND PER CRJ-900 SRM 51-42-21-001-001-A01, CORROSION ON STRINGER 19RH IN STA. FS= 437 TO FS= 453 AT MAIN AVIONICS COMPARTMENT WAS EVALUATED OUT LIMITS PER CRJ-900 SRM 53-21-03-101-007-A05 AND REPAIRED PER CRJ-900 SRM 53-00-03-201-001-A02 AND TS # 012308

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