Service difficulty report · Bearing · Doug MD11F

Difficulty date
June 10, 2026
Submitted
June 10, 2026
Operation
Air carrier
Aircraft
N574FE
Make and model
Doug MD11F
Aircraft serial
48499
Aircraft time
101,052 hours, 24,019 cycles
Part
Bearing
Condition
Damaged
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

NR 1 ENGINE PYLON AFT BULKHEAD LUG BORE HOLE FOUND WITH EXISTING DAMAGE AND CORROSION AFTER SPHERICAL BEARING REMOVED. REPAIR CARRIED OUT AS PER EA# 1-5440-T0387712 PART1 AND PART 2 AND PART 3. NR 1 PYLON, REMOVAL AND REPLACEMENT OF AFT BULKHEAD THIS EA DEVIATES FROM EO 1-5440-EO385675. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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