Service difficulty report · Bulkhead Web · Boeing 747121

Difficulty date
April 25, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Part
Bulkhead Web
Condition
Cracked
Location
Nr 3 Pylon
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, PYLON 3 FOUND CHAFING DAMAGE AND CRACK RUNNING TO STIFFENER ON REAR ENGINE BULKHEAD ON POSITION OF HYDRAULIC LINE AND WEB CRACKED NAC STA 221.90. REPAIRED ENGINE MOUNT BULKHEAD WEB ACC KLM DFX 97-089 ISSUE 3, EFN 747-54-0157.