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SDR CALA2011081900547

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Service difficulty report · Valve · Boeing 737524

FAA SDR system

Difficulty date
August 19, 2011
Submitted
August 19, 2011
Operation
Air carrier
Aircraft
N17627
Make and model
Boeing 737524
Aircraft serial
27531
Aircraft time
44,009 hours, 23,265 cycles
System (JASC)
3241 · Brake Anti-Skid Section
Part
Valve
Part number
39353
Part serial
5734
Condition
Malfunctioned
Location
Anti-Skid Sys
Part time
32,638 hours, 17,426 cycles
Stage of operation
TX
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

ALSO APPLYING BRAKE PRESSURE BRAKES ARE SOF T & GRAB EXTREMELY HARD. ANTI-SKID, AUTOBRAKE, AND LEADING EDGE IN TRANSIT ALONG WITH OVERHEAD YELLOW IN TRANSIT LTS. T/S LEADING EDGE INDICATION, FOUND NR 3 L/E FLAP UP SWITCH, S172, AT FAULT. R& R'D S172 PER AMM 27-88-11, OPS CHECK GOOD PER SAME. L/E FLAP/SLAT INDICATION NOW NORMAL. REF L/P 4479501 FOR SPLICE DEFERRAL TRACKING. REF L/P 4479502 FOR ANTI-SKID & AUTOBRAKE T/S &AMP. REMOVED AND REPLACED LEFT INBOARD ANTI-SKID VALVE IAW MM 32-42-31. OPS CHECK GOOD.