# SDR UATA2420127265303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2026
- Submitted: January 27, 2026
- Operation: Air carrier
- Aircraft: [N424CA](https://openairdocs.org/aircraft/N424CA), registered now
- Make and model: Casa C212200
- Aircraft serial: 242
- Aircraft time: 35,730 hours, 64,624 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Buckled
- Location: Zone 200
- Part time: 35,730 hours, 64,624 cycles
- 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/UATA2420127265303

## Discrepancy

F12 BUCKLED UNDER FLOOR. F12 UNDERFLOOR T ANGLE CENTER CAP - REMOVED DAMAGED T ANGLE. FABRICATED NEW T ANGLE FROM 2024T3 .085" X 1 5/8" X 1" TO SAME SIZE, DESIGN, AND HOLE PATTERN AS PREVIOUSLY INSTALLED. FABRICATED REPAIR DOUBLER 4 1/2"X 39 1/2" ALL NEW PARTS ACID ETCHED, ALODINED, AND PRIMED WITH 511K011 EPOXY PRIMER. INSTALLED T ANGLE AND DOUBLER USING MS20470AD RIVETS. MATERIALS USED; FASTENER TYPE, SIZE, SPACING, AND REPAIR CRITERIA WERE OBTAINED FROM ORIGINAL INSTALLATION, CASA 212-200 SRM SECTION 4 FIG 4.12, 4.17, APPENDIX II FIG. B19, B22 ILL, AND AC43.13-1 B 4-57B(P4-16), 4-57E(P4-19), SECTION 4-60B (P4-40).

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