Service difficulty report · Attach Fitting · Boeing 737401

Difficulty date
May 16, 2012
Submitted
May 22, 2012
Operation
Air carrier
Aircraft
N421US
Make and model
Boeing 737401
Aircraft serial
23988
Aircraft time
62,725 hours, 42,001 cycles
System (JASC)
5755 · Spoilers
Part
Attach Fitting
Part number
654645262A
Part serial
MA4135
Condition
Cracked
Location
Nr 4 Spoiler
Part time
21,440 hours, 14,100 cycles
Stage of operation
IN
How discovered
V
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

C1 CHECK - CRACK IN NR 4 SPOILER OUTBOARD ACTUATOR ATTACH FITTING. REPLACED NR 4 SPOILER IAW B737 AMM 27-62-12-404-012.