Service difficulty report · Clamp · Boeing 757222

Difficulty date
October 16, 2005
Submitted
October 25, 2005
Operation
Air carrier
Aircraft
N522UA
Make and model
Boeing 757222
Aircraft serial
24931
Aircraft time
49,418 hours, 18,593 cycles
Engine
Pwa PW2037
Part
Clamp
Part number
STBC10GG234
Condition
Loose
Location
Cabin Pressure
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
B

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

What was found

EMERGENCY DESCENT DUE TO LOSS OF CABIN PRESSURE CONTROL. FOUND CLAMPS TO LEFT AND RIGHT CABIN AIR SUPPLY CHECK VALVES LOOSE. SECURED CLAMPS. LEAK AND OPS CHECKED OK PER MM21-31-00. RETURNED AIRCRAFT TO SERVICE.