Service difficulty report · Failsafe · Boeing 76734AF

Difficulty date
September 3, 2011
Submitted
September 16, 2011
Operation
Air carrier
Aircraft
N312UP
Make and model
Boeing 76734AF
Aircraft serial
27763
Aircraft time
41,319 hours, 13,091 cycles
Part
Failsafe
Part number
145T252428
Condition
Cracked
Location
Bs 955 Bulkhead
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, FUSELAGE RT BS 955 REAR SPAR BULKHEAD SIDE FTG WAS FOUND 1EA FASTENER HOLE CRACKED AT FAIL SAFE STRAP ON 4 & 10 O/C POSITION THROUGH THICKNESS. FUSELAGE RT BS 955 REAR SPAR BULKHEAD SIDE FTG FAIL SAFE STRAP REPAIRED IAW EO B767-5350-17922-I, APPENDIX 'D' ORG MAT'L IS 2024T351-0750" MACHINED STRAP, CRACK ON 4 & 10 O/C POSITION THROUGH THICKNESS, FINAL CUTOUT SIZE IS 7.75" X 2" THIS REPAIR IS CLASSIFIED AS A MAJOR RPEAIR.

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