Service difficulty report · Frame · Boeing 747121

Difficulty date
March 7, 2006
Submitted
March 31, 2006
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
106,939 hours, 27,146 cycles
Part
Frame
Condition
Cracked
Location
Bs 488
Stage of operation
IN
How discovered
9
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 M/D MED #1R CUTOUT BS 488 FRAME WEB FOUND CRACK EXTEND BEYOND #9 DOOR STOP BY 1/16" AS MARKED.(CRACK LENGTH 1" ) M/DECK BS 488 BETWEEN S16R TO S19R FRAME WEB REPAIRED AS PER SRM 53-10-04 FIG 121. CRACK FREE AT TRIM LINE AREA & INNER CHORD FASTENER HOLES WITHIN 6" OF THE CRACK AREA AS PER NTM PT6 51-00-00 FIG INSPECTED BY NDT.