Service difficulty report · Duct · Boeing 777222

Difficulty date
December 22, 2013
Submitted
December 24, 2013
Operation
Air carrier
Aircraft
N774UA
Make and model
Boeing 777222
Aircraft serial
26936
Aircraft time
72,972 hours, 13,507 cycles
Engine
Pwa PW4077
Part
Duct
Condition
Collapsed
Location
Cargo Bay
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DETECTOR ZONE 2 CARGO AFT STATUS MESSAGE. UNABLE TO CLEAR MESSAGE THROUGH MAT TEST. LOWER FWD AIR DUCT WORN & COLLAPSED. REPLACED LOWER FWD DUCT IN AFT PIT. SYS TEST PASSED, NO MESSAGES.