# SDR REXA2026090801780

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2026
- Submitted: September 8, 2026
- Operation: Air carrier
- Aircraft: [N922XJ](https://openairdocs.org/aircraft/N922XJ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15174
- Aircraft time: 41,362 hours, 41,362 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: SH670321729
- Condition: Corroded
- Location: Zone 200
- 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/REXA2026090801780

## Discrepancy

RIGHT FLOOR SUPPORT IS CORRODED BETWEEN FS310 AND FS319. ON FURTHER INVESTIGATION FOUND TO BE HEAVILY CORRODED TO THE POINT WHERE THERE IS CHUNKS OF MATERIAL MISSING AT BS 319.  REMOVED & REPLACED THE FLOOR SUPPORT BETWEEN FS280 - FS319 IAW SRM 51- 42-21-001-001-A01, SRM 51-42-13-001-001-A01, AND SRM 51-42-06-001-001-A01.  INSTALLED SKIN FASTENERS IAW SRM 51-42- 06-001-001-A01 & 51-42-21-001-001-A01. REMOVED AND INSTALLED RING DOUBLER FWD FS 319 AND LIGHTNING HOLE BLOCK OFF PLATE AND ALL LIGHTNING DIVERTER PANEL ATTACHMENT BRACKETS BETWEEN FS 295 - FS 319 IAW SRM 51-42-06-001- 001-A01, AND 51-42-13-001-001-A01.

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