# SDR FDEA202510222068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2025
- Submitted: October 22, 2025
- Operation: Air carrier
- Aircraft: [N603FE](https://openairdocs.org/aircraft/N603FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48459
- Aircraft time: 92,454 hours, 22,377 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: ACA385021
- Condition: Cracked
- 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/FDEA202510222068

## Discrepancy

FUSELAGE: #1 AIRCONDITION RAM AIR EXHAUST ASSY CUT OUT PRODUCTION DOUBLER   SUSPECT CRACKED. CRACKED DOUBLER AT FUSELAGE #1 AIRCONDITION RAM AIR EXHAUST ASSEMBLY AT LEFT HAND   STATION 561.667 REMOVED AND REPLACED WITH FABRICATED DOUBLER AS PER MD-11 SRM 51-  35-01-OG. DOUBLER FABRICATED AS PER DOUGLAS DRAWING ACA3850 REVISION AA. REPAIR   CLASSIFIED AS MAJOR PER GMM 6-2-100.

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