# SDR UATA202603275304

- 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): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 21223201031
- Condition: Worn
- 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/UATA202603275304

## Discrepancy

WEAR MARK ON C CHANNEL SECTION BETWEEN L/H FRAMES 17-20. R&R WITH P/N: 212-23201-03-1 IRW CASA 212 SRM SECTION IV FIGURE 4.28 PAGES 0A-02 & INSTALLED WITH FASTENERS AN470E5, AN470E6, AN426E4, AN426E5, HL18-5, HL18-6, HL70-5, & HL70-6. IRW AC-43.13-1 B SECTION 4-57 PAGES 4-14 TO 4-17 & SECTION 4-57 PARAGRAPH E PAGES 4-19. USED PREVIOUS C-CHANNEL'S EXISTING HOLES FOR RIVET SPACING & SIZE. NEW C-CHANNEL WAS ALODINED, PRIMED, INSTALLED WET WITH PR1425 SEALANT AND PAINTED. CONTINUED AIRWORTHINESS WILL BE MAINTAINED IN ACCORDANCE WITH CURRENT INSPECTION PROGRAM OR A/C MANUFACTURERS INSPECTION PROGRAM.

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