Service difficulty report · Flap Track · Gulstm GIV

Difficulty date
March 7, 2016
Submitted
March 16, 2016
Operation
Air carrier
Aircraft
N426QS
Make and model
Gulstm GIV
Aircraft serial
1426
Aircraft time
12,356 hours, 6,137 cycles
Part
Flap Track
Part number
1159WM20052105
Condition
Corroded
Location
Te Flap
Part time
12,356 hours, 6,137 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

LEFT FLAP TRACK SUPPORT FITTING C, CORROSION FOUND AT FLAP TRACK SUPPORT FITTING BOLT HOLE. AFTER CORROSION WAS REMOVED FROM BORE OF "C" FLAP TRACK UPPER ASSEMBLY FOUND BUSHINGS TO MEASURE BEYOND LIMITS OF .7495-.7505 PER DRAWING 1159WM20105. REMOVED LT "C" FLAP TRACK UPPER FITTING ASSEMBLY AND LOWER FITTING PER DRAWING 1159W20014 AND 1159W40003. INSTALLED LT C TRACK ASSY WITH UPPER AND LOWER FITTINGS TO REAR BEAM AREA PER GAG DRAWINGS 1159W20014 AND 1159W40003. INSTALLED NEW CENTER C TRACK CONNECTING HARDWARE AND TORQUED PER GAMPS 2220 REV. E.