Service difficulty report · Door · Boeing 74747UF

Difficulty date
December 11, 2011
Submitted
December 12, 2011
Operation
Air carrier
Aircraft
N415MC
Make and model
Boeing 74747UF
Aircraft serial
32837
Aircraft time
41,396 hours, 6,615 cycles
Part
Door
Condition
Damaged
Location
Nr 4 Nacelle
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 WALKAROUND INSPECTION, MX FOUND THE NR 4 RT ENGINE CORE COWL DOOR SKIRT (MID) FAIRING BENT INWARD, CURLED AND CRACKED IN RADIUS OF BEND. THE LENGTH OF THE DAMAGE EXCEEDS THE SRM LIMITS. PERFORMED A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS; DVI EVERY 5 FLIGHT CYCLES; AND PERMANENT REPAIR WITHIN 75 FLIGHT CYCLES AFTER PART 1.)

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