Service difficulty report · Doubler · Boeing 747428

Difficulty date
September 27, 2018
Submitted
December 2, 2018
Operation
Air carrier
Aircraft
N919CA
Make and model
Boeing 747428
Aircraft serial
25302
Aircraft time
95,752 hours, 13,841 cycles
Engine
Ge CF680C2B1F
Part
Doubler
Part number
65B02966
Condition
Cracked
Location
Fuselage
Part time
95,752 hours, 13,841 cycles
Stage of operation
IN
How discovered
E
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

DURING ACCOMPLISHMENT OF SERVICE BULLETIN 747-53A2651 REVISION 1 STATION 2403.6 TO STATION 2524.4, UPPER LOBE DOUBLER AT THE FUSELAGE VERTICAL STABILIZER ATTACH FITTINGS INSPECTION, A 2 INCH CRACK WAS DISCOVERED ON THE RIGHT HAND SIDE, FROM STATION 2519 TO 2521 - ACCOMPLISHED PART 3 - UPPER LOBE DOUBLER REPAIR OF SERVICE BULLETIN 747-53A2651 REVISION 1, WITH NO DEVIATIONS.