Service difficulty report · Nose Cowl · Boeing 74747UF

Difficulty date
August 31, 2010
Submitted
August 31, 2010
Operation
Air carrier
Aircraft
N408MC
Make and model
Boeing 74747UF
Aircraft serial
29261
Aircraft time
50,563 hours, 7,864 cycles
Engine
Ge CF680
Part
Nose Cowl
Condition
Damaged
Location
Nr 3 Engine
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 WALK AROUND INSP, IN MX, FOUND THE NR 3 ENGINE INLET NOSE COWL L/E DENTED (SUSPECTED BIRD-STRIKE) AT APPROX 4 O' CLOCK POSITION MEASURING 5.5 INCHES IN LENGTH, 3.0 INCHES WIDTH AND 0.5 INCH DEPTH. AFTER DETAIL VISUAL INSP (10X MAGNIFYING GLASS) IT WAS VERIFIED THAT NO CRACK CONDITION EXISTS. (DISPOSITION WAS MADE TO PERFORM TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS, INITIATE REPEAT INSPECTIONS PRIOR TO EACH FLIGHT AND SCHEDULE PERMANENT REPAIR PRIOR TO THE ACCUMULATION OF 25 FLIGHT CYCLES AFTER PART 1 BY REMOVING AND REPLACING THE SUBJECT DAMAGED NOSE COWL IAW THE AMM 71-11-01 OR PERFORMING PERMANENT REPAIR IAW SRM 54-15-01, FIG 201, REPAIR 1 OR 2.)

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