# SDR UATA1740327265303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N440RA](https://openairdocs.org/aircraft/N440RA), registered now
- Make and model: Casa C212CC
- Aircraft serial: 174
- Aircraft time: 44,605 hours, 64,106 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: NA
- Condition: Cracked
- Location: Zone 100
- Part time: 44,605 hours, 64,106 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/UATA1740327265303

## Discrepancy

REPAIR DOUBLER AT LOWER END OF FRAME 19 CRACKED (LH SIDE). REPLACED DOUBLER SEE 337 DATED 3/18/2026. CRACK FOUND AT DOUBLER FOR L/H FRAME 19. R&R WITH 2 DOUBLERS (ONE FWD AND ONE AFT OF FRAME) WITH .032IN 2024 T-3 ALUMINUM IRW CASA 212 SRM SECTION IV FIG 4.28 PAGES OA-02 AND CASA 212 SRM APPENDIX II REPAIRS B14 (PAGES 26-27), B15 (PAGES 28-29) AND B22 (PAGES 44-45). INSTALLED WITH AN470AD4 RIVETS IRW AC-43.13-1 B SECTION 4-57 PAGES 4-14 TO 4-17, USED PRE-EXISTING REPAIR'S RIVET SPACING & SIZE. DOUBLERS WERE ALODINED, PRIMED. CONTINUED AIRWORTHINESS WILL BE MAINTAINED IN ACCORDANCE WITH CURRENT INSPECTION PROGRAM OR A/C MANUFACTURERS INSPECTION PROGRAM. W&B CHANGE WAS CONSIDERED NEGLIGIBLE.

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