Service difficulty report · Bear Strap · Boeing 747212B

Difficulty date
August 10, 2007
Submitted
August 31, 2007
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747212B
Aircraft serial
21944
Aircraft time
79,715 hours, 18,925 cycles
Part
Bear Strap
Condition
Cracked
Location
Fuselage
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 NR 3 MED CUTOUT FWD LOWER CORNER FOUND SKIN CRACK AND BEARSTRAP CORROSION, CRACK LENGTH 1/16 INCH APPROX. M/D RT NR 3 MED CUTOUT FWD LOWER CORNER SKIN AND BEAR STRAP REPAIRED AS PER UPS EO B747-5330-24674 APPENDIX 'N', BEAR STRAP CORROSION REMOVED AND REPROTECTED AS PER SRM 51-10-01 AND 51-10-02 ORI, 0.120" BLEND OUT DEPTH 0.010" BY 1/2" BY 6" WITHIN SRM 53-30-01 FIG 1 LIMIT (REF HX RS NR R53-41-35852, AND UPS EO B747-5330-27528)

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