Service difficulty report · Frame · Boeing 747212B

Difficulty date
July 6, 2007
Submitted
July 27, 2007
Operation
Air carrier
Aircraft
N522UP
Make and model
Boeing 747212B
Aircraft serial
21936
Aircraft time
74,820 hours, 17,560 cycles
Part
Frame
Condition
Cracked
Location
Bs 2231 S23-25r
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 RT BS 2231 FRAME INNER CHORD S23R-25R FOUND 2 HOLES CRACK AT FRAME STRAP, CRACK LENGTH 1/16" AND 0.040". M/D BS 2231 FRAME ATTACH INNER CHORD AND STRAP AT BEN STR 22R TO STR26R AREA REPAIRED AS PER SRM 53-10-04 FIG 115. CONTINUE INSP REQUIRED AS PER SRM 53-10-04 FIG 115. REFER NRC51555 FOR WORKING DETAIL. UPS MPI#P19305 RAISED.

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