Service difficulty report · Valve · Boeing 737824

Difficulty date
July 13, 2011
Submitted
July 14, 2011
Operation
Air carrier
Aircraft
N79521
Make and model
Boeing 737824
Aircraft serial
31662
Aircraft time
2,916 hours, 958 cycles
Part
Valve
Part number
3941001003
Part serial
06196
Condition
Malfunctioned
Location
Le Slat
Part time
2,896 hours, 952 cycles
Stage of operation
LD
How discovered
O
Nature of condition
F, J
Precautionary procedure
B

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

What was found

DURING FLAP EXTENSION TO FLAPS 30 TRAILING EDGE EXTEND NORMALLY LEAD EDGE DEVICE (SLATS) DID NOT EXTENDED NORMALLY LEADING EDGE FLAPS DID NOT EXTEND NORMALLY. PERFORMED T/S PER FIM 27-81-00-810-806 FOUND INTERMITTENT FAULT. OK TO CONTINUE AND REMOVED AND REPLACED L/E CRUISE DEPRESSURIZATION VALVE REF AMM 27-81-00. ROTABLE PARTS CHANGE WAS INDICATED - TT 1432852 S/N OFF 06196 VALVE, L/E, UNC OFF 29-2781-9-0002 6196 ON 29-2781-9-0002 1893.