Service difficulty report · Duct · Boeing 777222

Difficulty date
May 23, 2018
Submitted
June 5, 2018
Operation
Air carrier
Aircraft
N771UA
Make and model
Boeing 777222
Aircraft serial
26932
Aircraft time
89,198 hours, 15,583 cycles
Part
Duct
Condition
Failed
Location
Lt Ram Air
Stage of operation
LD
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

FOUND THE LT RAM AIR INLET DUCTING HAD BLOWN APART. . FOUND EXCESS DEBRIS IN HEAT EXCHANGER AND RAM AIR INLET PLENUM DAMAGED, INSTALLED A NEW LT PACK RAM AIR INLET DUCT IAW MM 21-52-22.