Service difficulty report · Frame · Boeing 747409

Difficulty date
December 15, 2012
Submitted
December 19, 2012
Operation
Air carrier
Aircraft
N780BA
Make and model
Boeing 747409
Aircraft serial
24310
Aircraft time
70,835 hours, 13,894 cycles
Part
Frame
Condition
Damaged
Location
Bs 320
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

DURING THE D2/C2/A2 CHECK IAW EO 4453A295/ SB 747-53A2784 FOUND THE CROWN FRAME WEB AT BS 320 TO BE UNDERSIZED REQUIRING REPLACEMENT. WHILE ACCOMPLISHING THE WEB REPLACEMENT IAW PART 2 OF EO 4453A295, EGAT NOTICED SEVERAL DEVIATIONS FROM THE SB REQUIREMENTS. ACCOMPLISHED EI NR T2012A53B-2850 REV 00 AND REV 01. JOB COMPLETED AND CONDITION CHECKS NORMAL.