# SDR UIEA2026092100889

- 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): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: No Discrepancy
- 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/UIEA2026092100889

## Discrepancy

SECT 41 LAP JOINT INSP: EXISTING DOUBLERS (06 EA) ON S-14L STA 140-160, S-44L STA 240-260, S-44R STA 240-260, S39R STA 380-420, S45L STA 400-420 AND S45R STA 400-420 FOUND THE REPAIR NOT CONFIRMED TO SRM 53-00-01, REPAIR 10, 12 OR 16(<P >DOUBLERS AT STA 240 - STA 260 S-44L AND S-44R WERE EVALUATED AND FOUND TO BE AN AIRCRAFT PRODUCTION IAW  DRAWINGS 65B14229 SHEETS 1, 5, 11, 13-17. DOUBLER AT STA 400 - STA 420 S-45L AND S-45R EVALUATED & FOUND DOUBLERS WERE INSTALLED IAW EO 4453B021, AND DOUBLER AT STA 380 - STA 420 S-39R EVALUATED AND FOUND DOUBLER WAS INSTALLED IAW EO 4453B950. DOUBLER AT STA 140 - STA 160 S-14L AREA REMOVED AND NEW REPAIR CARRIED OUT IAW EN 3681-26 REV. 0.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.