Service difficulty report · B-Nut · Boeing 737522

Difficulty date
February 21, 2008
Submitted
February 26, 2008
Operation
Air carrier
Aircraft
N907UA
Make and model
Boeing 737522
Aircraft serial
25007
Aircraft time
47,015 hours, 29,716 cycles
Engine
Cfmint CFM563C1
Part
B-Nut
Condition
Loose
Location
Crew O2
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
O

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

What was found

PREFLIGHT O2 SHOWS 400 PSI. REPLACED MASK AND SECURED B-NUT NO LEAKS FOUND. AC OK FOR SERVICE.