Service difficulty report · Fitting · Doug MD11F

Difficulty date
July 8, 2026
Submitted
July 8, 2026
Operation
Air carrier
Aircraft
N603FE
Make and model
Doug MD11F
Aircraft serial
48459
Aircraft time
92,456 hours, 22,378 cycles
Part
Fitting
Condition
Chafed
Location
Zone 400
Component
Bulkhead · Doug
Component part number
AUB7525501
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT ENGINE PYLON - AFT PYLON BULKHEAD LUG FITTING FOUND WITH CHAFE AT EXTERIOR UPPER AREA.YWN-418. CARRIED OUT REPAIR IN ACCORDANCE WITH EA #1-5440-T0387673 PART 1 AND 2 TITLE: NACELLES/PYLON - ATTACH/MOUNT/HINGE- NR 1 PYLON AFT BULKHEAD LUG INSPECTION AND SPHERICAL BEARING REPLACEMENT AT STA YWN 418 - SAFETY ADVISORY MD11-BSA -54-001-REWORK METHOD AND DEVIATIONS - AD2025-23-53. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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