Service difficulty report · Channel · Boeing 747200

Difficulty date
August 6, 2007
Submitted
August 29, 2007
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200
Aircraft serial
21944
Aircraft time
79,715 hours, 18,925 cycles
Part
Channel
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

INSPECTION TYPE:C M/D LEFT BS 880 TENSION TIE TO FRAME CONNECTION FOUND NR 6, 7, 16 HOLE CRACK AT AFT CHANNEL. CRACK LENGTH 0.030 INCH. M/D LEFT BS 880 TENSION TIE AFT CHANNEL REPAIRED AS PER SRM 53-10-11 FIG 2. REPEAT INSPECTION IS REQUIRED AS PER SRM 53-10-11 FIG 2 TABLE 4 AND UPS ASSIGNED MPI P19386.

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