# SDR REXA2026032000243

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2026
- Submitted: March 20, 2026
- Operation: Air carrier
- Aircraft: [N920XJ](https://openairdocs.org/aircraft/N920XJ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15167
- Aircraft time: 39,993 hours, 28,166 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: CC67034094JP2S
- 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/REXA2026032000243

## Discrepancy

RT BS 280 CROSSBEAM IS CORRODED FROM RBL 0 - RBL 9.  CROSSBEAM FOUND TO BE HEAVILY CORRODED AT MULTIPLE AREAS WITH MORE THAN 50% MATERIAL LOST. NO ALLOWABLE DAMAGE PROVIDED IN SRM. PART REQUIRES REPLACEMENT. REMOVED DAMAGED CROSSBEAM IAW SRM 51-42-06-001-001-A01. SRM 51-42-13-001-001-A01. AND SRM 51-42-- 22-001-001-A01. LOCATED & DRILLED A NEW CROSSBEAM IAW SRM 51-40-11-001-001-A01. INSTALLED THE NEW CROSSBEAM IAW SRM 51-42-06-001-001-A01. SRM 51-42-06-001-001-A01. SRM 51-42-13-001-001-A01. AND SRM 51-42-22-001-001-A01. TOUCHED UP PAINT ON FASTENERS & APPLIED CIC AS REQUIRED IAW SRM 51-21-11-001-001-A01, SRM 51-25-16-001--001-A01.

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