Service difficulty report · Bulkhead · Boeing 747121

Difficulty date
June 5, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N682UP
Make and model
Boeing 747121
Aircraft serial
20349
Part
Bulkhead
Condition
Cracked
Location
Bs 140
Stage of operation
IN
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. SEVERAL CRACKS AT BS 140 FORWARD PRESSURE BULKHEAD, CRACKS AROUND FASTENERS AT INNER RING. WEB CRACKS AT INNER RING CHORD REPAIRED IAW EO B747-5310-3279, APPENDIX B, FIG 3.