Service difficulty report · Bulkhead · Boeing 7572B7

Difficulty date
January 10, 2008
Submitted
January 11, 2008
Operation
Air carrier
Aircraft
N903FD
Make and model
Boeing 7572B7
Aircraft serial
27124
Aircraft time
47,097 hours, 19,245 cycles
Part
Bulkhead
Part number
311N50434
Condition
Damaged
Location
Zone 400
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

WHILE ACCOMPLISHING EO NR F-5450-7-5005 PT2, THE NR 2 PYLON MID BULKHEAD FWD LT BOLT HOLE WAS FOUND AT MAXIMUM DIAMETER OF 0.3918". MAXIMUM DIAMETER PER EO IS 0.3901-0.3911". THE FWD RT BOLT HOLE WAS FOUND TO BE 0.3934", OUT OF LIMITS PER EO. HFEC INSPECTED MID BULKHEAD FWD LT AND RT BOLT HOLES PER NDT MANUAL PART 6, SECTION 51-00-00. REAMED AND INSTALLED LOCK FASTENERS AT BOTH LOCATIONS AND VISUALLY INSPECTED FOR PROPER INSTALLATION PER EA F-5450-110813.

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