# SDR UIEA2026093000927

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2026
- Submitted: October 10, 2026
- Operation: Air carrier
- Aircraft: [N419MC](https://openairdocs.org/aircraft/N419MC), registered now
- Make and model: Boeing 747-48EF
- Registry model: [Boeing 747-48EF](https://openairdocs.org/model/boeing-747-48ef) (OpenAirDocs)
- Aircraft serial: 28367
- Aircraft time: 121,274 hours, 20,941 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Damaged
- Location: Zone 100
- 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/UIEA2026093000927

## Discrepancy

PER DWG 624U0072 SHEET 13, 08 FASTENERS ARE SHOWN BETWEEN STR-7 AND STR-8,  BUT AT STA 2598 BLKHD HORIZONTAL STABILIZER FWD SIDE, ONLY 04 EA FASTENERS ARE INSTALLED PER SIDE OF BOTH LHS AND RHS FRAME . REWORK CARRIED OUT AT STA 2598 BULKHEAD HORIZONTAL STABILIZER FWD SIDE ON BOTH LHS AND RHS FRAME OUTER CHORD AREA IAW EN 3510-26 REV 0 AND EN 3532-26 REV 0. REPAIR CLASSIFIED AS "MAJOR" AND CATEGORIZED AS "CATEGORY B" PERMANENT REPAIR WITH THRESHOLD INSPECTION OF 23,941 TOTAL AIRPLANE FLIGHT CYCLES AND REPEAT INSPECTION INTERVAL OF 3,000 AIRFRAME FLIGHT CYCLES AS PER EN 3510-26 REV 0 AND EN 3532-26 REV 0. NO FURTHER DEFECTS NOTED.

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