Service difficulty report · Channel · Boeing 747212B

Difficulty date
July 3, 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
Channel
Condition
Cracked
Location
Bs 880
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 LT BS 880 TENSION TIE NR 6 HOLE FOUND CRACK AT AFT CHANNEL APPROX 0.040" RUNNING UP. M/D BS 880 TENSION TIE AFT CHANNEL REPLACED AS PER SRM 51-10-01 PG 9 AND INSTALLED AS PER UPS EO B747-5310-23715-C AND SRM 51-30-02 REFER NRC 50076 FOR WORKING DETAIL.

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