Service difficulty report · Acoustic Liner · Boeing 747422

Difficulty date
February 10, 2012
Submitted
March 2, 2012
Operation
Air carrier
Aircraft
N177UA
Make and model
Boeing 747422
Aircraft serial
24384
Aircraft time
89,465 hours, 10,909 cycles
Engine
Pwa PW4056
Part
Acoustic Liner
Condition
Torn
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

NR 1 ENG FOUND 5 INCH TEAR IN THE INBD SIDE OF THRUST REV AT THE 5 O'CLOCK POSITION. RPR'D TEAR IN ACOUSTICAL LINER SKIN PER SRM, REPAIR 2 DETAIL 1