Service difficulty report · Actuator · Boeing 737524

Difficulty date
February 21, 2009
Submitted
February 23, 2009
Operation
Air carrier
Aircraft
N18622
Make and model
Boeing 737524
Aircraft serial
27526
Aircraft time
39,216 hours, 20,912 cycles
Part
Actuator
Part number
65C310992
Part serial
0622
Condition
Failed
Location
Nlg
Part time
39,215 hours, 20,912 cycles
Stage of operation
CL
How discovered
O
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

ON TWO CONSECUTIVE TAKEOFFS THE NOSE GEAR MADE A VERY LOUD CLUNK WHEN GEAR HANDLE RAISED. ALL INDICATIONS AND OPERATIONS NORMAL INCLUDING EXTENSION. REMOVED AND REPLACED NLG ACTUATOR AND NLG LOCK MECHANISM PER MM 32-33-21 AND 32- 33-51.