Service difficulty report · Failsafe · Boeing 747SR46

Difficulty date
September 15, 2002
Submitted
October 9, 2002
Operation
Air carrier
Aircraft
N680UP
Make and model
Boeing 747SR46
Aircraft serial
20923
Aircraft time
63,455 hours, 32,969 cycles
Part
Failsafe
Condition
Cracked
Location
Fuselage
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

INSPECTION TYPE:C LT BS 800 FRAME S16 AREA, ONE FASTENER HOLE FOUND CRACKED AT STRAP 1/8 INCHES RUNNING FWD AND AFT, CRACK AT ANGLE 0.040 INCH RUNNING FWD REF ATT SKETCH FOR DETAILS. BS 800 FRAME CRACKED AREA REPAIRED PER RS R53-22-34910. ** TO BE CONTINUEOUS PERFORMING REPEAT INSPECTION PER SB 747-53A2451 EVERY 3000 FLIGHT CYCLES. **

More about the Boeing 747-SR-46