Service difficulty report · B-Nut · Boeing 737322

Difficulty date
August 8, 2002
Submitted
August 28, 2002
Operation
Air carrier
Aircraft
N310UA
Make and model
Boeing 737322
Aircraft serial
23671
Aircraft time
46,204 hours, 26,919 cycles
Engine
Ge CFM56*
Engine time
38,249 hours, 21,413 cycles
Part
B-Nut
Part number
3352615000
Condition
Loose
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
A

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

What was found

NR 2 ENGINE ROLLED BACK TO IDLE AT 800 FT AGL. AIRCRAFT RETURNED TO FIELD. ROLLBACK WAS ATTRIBUTED TO A LOOSE CDP B-NUT AIR SIGNAL LINE AT THE MAIN ENGINE CONTROL, 9 O'CLOCK POSITION.