Service difficulty report · Door Frame · Boeing 747212B

Difficulty date
July 8, 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
Door Frame
Condition
Cracked
Location
Bs 2231 S23-26l
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 AFTER FURTHER FASTENER REMOVED INNER CHORD AREA S23L - 26L FOUND TOTAL HOLES CRACK AT DIFFERENT STACK UP STRUCTURES (FRAME,STRAP, INNER CHORD OR REVEAL) (CRACK LENGTH 0.050" & THROUGH THICKNESS) M/D BS2231 FRAME ATTACH REVEAL REPAIRED AT BETWEEN STR 21.5L TO STR 25L AREA AS PER SRM 53-10-04 FIG 34. FRAME ATTACH INNER CHORD & STRAP REPAIRED BETWEEN STR 22L TO STR 26L AREA AS PER SRM 53-10-04 FIG 115. CONTINUE INSP. AREA REQUIRED AS PER SRM 53-10-04 FIG 115.

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