SDR 9WGA2025042854617

Service difficulty report · Ring · Doug MD11F

Difficulty date: April 14, 2025
Submitted: April 28, 2025
Operation: Air carrier
Aircraft: N546JN
Make and model: Doug MD11F
Aircraft serial: 48546
Aircraft time: 82,975 hours, 14,974 cycles
Engine: Ge CF680C2D1F
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Ring
Condition: Corroded
Location: Zone 400
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

DURING HEAVY MAINTENANCE CHECK NR 1 ENGINE CONTAINMENT RING FWD SIDE HAS CORROSION @ 8 O'CLOCK POSITION. ACCOMPLISHED WITH ENGINE REMOVAL AND REPLACEMENT IAW MD-11 T/C: MS-71-00-01-00-00-01-WG, SEQ,1,W/O# 15701 AND AMM 71-00-03-000-801. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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