Service difficulty report · Fireseal · Boeing 777222

Difficulty date
March 2, 2012
Submitted
March 29, 2012
Operation
Air carrier
Aircraft
N206UA
Make and model
Boeing 777222
Aircraft serial
30212
Aircraft time
56,880 hours, 8,175 cycles
Engine
Pwa PW40903
Part
Fireseal
Condition
Deteriorated
Location
Rt Pylon
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

UPON INSPECTION OF HEAT SHIELDS PER EQ4499, FOUND FOUR LOOSE FIRE SEAL FASTENERS ON NR 1 PAN, AND SOME DETERIORATION OF FIRE SEAL. NR 1 GAP STRIP SHOWS WEAR ON TRAILING EDGE. RT ENG PYLON. REMOVED NR 1 AND NR 2 PAN ASSYS. ALSO FOUND NR 3 PAN WORN. REPLACED FIRE SEAL AND GAP STRIP ON NR 1 PAN, 2-5 PANS REMOVED AND REPLACED.