Service difficulty report · Door Frame · Boeing 747451

Difficulty date
September 19, 2011
Submitted
October 11, 2011
Operation
Air carrier
Aircraft
N670US
Make and model
Boeing 747451
Aircraft serial
24225
Aircraft time
92,135 hours, 11,261 cycles
Part
Door Frame
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

RT NR 4 DOOR FWD FRAME LOWER CORNER CRACK BS 1680. S-25R. L=0.8 PERFORMED THE FRAME-WEB REPAIR PER B747-400 SRM 52-10-02 REPAIR 2 P201. INSPECTION THRESHOLD 15000 DOOR FLIGHT CYCLES, INTERVAL 3000 DOOR FLIGHT CYCLES, METHOD INTERNAL AND EXTERNAL DVI.