# SDR UIEA2026081200743

- 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): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Tee Fitting
- Part number: 65B07934576
- Condition: Cracked
- 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/UIEA2026081200743

## Discrepancy

LOWER FUSELAGE: STA 250 TO STA 260 FWD BULKHEAD R/H SIDE T-CHORD FOUND CRACKED.(<P >AT R/H NOSE W/W FWD BULKHEAD STA 250 TO STA 260, CRACKED T-CHORD REMOVED AND INSTALLED WITH NEW FABRICATED T-CHORD AS PER EN 3565-26 REV.0. REPAIR CLASSIFIED AS "MAJOR" REPAIR WITH FIRST AND SECOND STAGE APPROVAL. NO ADDITIONAL STRUCTURAL WORK REQUIRED. INSPECTION THRESHOLD OF 23,941 TOTAL FLIGHT CYCLES. TO BE COMPLIED WITH SUBSEQUENT TO FAA APPROVAL REQUIREMENTS BEFORE REACHING THE INSPECTION THRESHOLD. NO FURTHER DEFECTS NOTED.</P>)

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