Service difficulty report · B-Nut · Boeing 767432ER

Difficulty date
February 23, 2007
Submitted
February 27, 2007
Operation
Air carrier
Aircraft
N830MH
Make and model
Boeing 767432ER
Aircraft serial
29701
Aircraft time
21,954 hours, 7,171 cycles
Engine
Ge CF680
Engine time
14,876 hours, 10,022 cycles
Part
B-Nut
Condition
Loose
Location
Pneumatic Line
Part time
14,876 hours, 10,022 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

APU BLEED UNAVAILABLE AFTER PUSHBACK RTB. FOUND B-NUT ON PNEUMATIC SENSE LINE AT TOP OF APU COMPLETELY BACKED OFF OF THREADS. RETORQUED, MOTORED ENGS 30.1 N2. 40P DURING ROTATION. APU AIR CKS GOOD.