Service difficulty report · Acoustic Liner · Boeing 74747UF

Difficulty date
February 16, 2012
Submitted
February 16, 2012
Operation
Air carrier
Aircraft
N412MC
Make and model
Boeing 74747UF
Aircraft serial
30559
Aircraft time
52,964 hours, 7,931 cycles
Part
Acoustic Liner
Condition
Damaged
Location
Thrust Reverser
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 MX WALKAROUND, FOUND DAMAGE TO NR 2 ENGINE THRUST REVERSER ACOUSTIC MESH AND HONEYCOMB. DAMAGE IS LOCATED AT THE 5 O'CLOCK POSITION AND HAS DIMENSIONS 3' LENGTH, .3750" WIDTH AND .2500" DEPTH. REF TO FIG 1 FOR DAMAGE DETAILS. PERFORMED A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS.

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