Service difficulty report · Bolt · Boeing 777222

Difficulty date
March 13, 2013
Submitted
April 29, 2013
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
70,127 hours, 9,881 cycles
Engine
Pwa PW40903
Part
Bolt
Condition
Broken
Location
Apu Bay
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

FOUND AIR SENSE LINE FROM PNEUMATIC CLUSTER UNSECURED FROM PLENUM. FOUND STATIC PRESSURE LINE TO PLENUM RETAINING BOLT HEAD BROKEN OFF DURING INSPECTION OF PNEUMATIC CLUSTER AND SENSE LINES ITEM 33. DRILLED OUT BOLT, THREADS NEED TO BE CLEANED UP OR HELI COIL REPLACED. -REPLACED HELI COIL. SECURED PNEUMATIC SENSE LINE.