Service difficulty report · Duct · Boeing 777222

Difficulty date
June 28, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N766UA
Make and model
Boeing 777222
Aircraft serial
26917
Engine
Pwa PW4077
Part
Duct
Condition
Failed
Location
Lt Pack
Stage of operation
CR
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 INSPECTION FOR ABNORMAL NOISE FROM LEFT AIR CONDITIONING PACK, FOUND OZONE CONVERTER DUCT FRACTURED.