# SDR REXA2026051800601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2026
- Submitted: May 19, 2026
- Operation: Air carrier
- Aircraft: [N604LR](https://openairdocs.org/aircraft/N604LR), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15152
- Aircraft time: 39,573 hours, 28,360 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: SH670321183S
- 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/REXA2026051800601

## Discrepancy

FOUND FS 379 TO BE CORRODED ON THE FWD SIDE OF THE WASTE WATER DOOR SURROUND STRUCTURE. UPON FURTHER INVESTIGATION FOUND FRAME FS 379 AFT SIDE OF THE FRAME TO BE HEAVILY CORRODED BETWEEN STGR 23R - STGR 22R AND REQUIRES REPLACEMENT IAW SRM 53-21-23-101-003-A02 UPON FURTHER INVESTIGATION FOUND FS 379 FRAME SEGMENT TO BE BETWEEN S20R & S25R. REMOVED FS 379 FRAME SEGMENT TO BE BETWEEN S20R & S25R IAW SRM 51-42-06-001-001-A01. INSTALLED FACTORY SPLICE FROM BS 379 AT S20R TO FOM IAW SRM 51-42-06-001-001-A01. INSTALLED S20R & 24R CLEATS IAW SRM 51-42-06-001-001-A01. INSTALLED S24R CLEAT & DOOR GROUNDING ANGLE FROM FS 379 IAW SRM 51-42-21-001-001-A01. INSTALLED INNER PLATE MOUNTING ANGLE FROM FWD SIDE OF BS 379 FRAME BTWN S21R AND S23R IAW SRM 51-42-06-001-001-A01. INSTALLED REMOVED LWR GUSSET & AVI BAY DOOR RAIL MOUNTING ANGLE IAW SRM 51-42-21-001-001-A01. INSTALLED AVI BAY DOOR STOP AND FRAME ATTACH ANGLE AT S25R & BS 379 IAW SRM 51-41-02-001-001-A01 & 51-42-21-001-001-A01. INSTALLED NEW BS 379 FRAME SEGMENT IAW SRM 51-42-06-001-001-A01. LOCATED & DRILLED NEW SERVICEABLE BS 379 FRAME SEGMENT IAW SRM 51-40-11-001-001-A01. INSTALLED S22R, BTWN BS 364 - 379, IAW SRM 51-42-06-001-001-A01. INSTALLED STRINGER CLIPS 2E/A AT S22R, BTWN BS 364 - 379 IAW SRM 51-42-06-001-001-A01. APPLIED SEAL & PAINT IAW SRM 51-23-00-001-001-A01 & SRM 51-25-00-001-001-A0151-25-00-001-001-A01. APPLIED CIC IAW SRM 51-21-11-001-001-A01.

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