Service difficulty report · Tee Angle · Boeing 747412

Difficulty date
January 1, 2025
Submitted
February 6, 2025
Operation
Air carrier
Aircraft
N729CA
Make and model
Boeing 747412
Aircraft serial
25068
Aircraft time
97,345 hours, 16,757 cycles
Part
Tee Angle
Part number
65B1272742
Part serial
NA
Condition
Cracked
Location
Zone 100
Part time
97,345 hours, 16,757 cycles
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

LHW REFUEL SERVICE DOOR 2EA SUPPORT ZEES (P/N: 65B12724-2/-3) WERE FOUND CRACKED. THE ORIGINAL MATERIAL OF ZEE (P/N: 65B12724-2/-3) IS PLASTIC GLASS FABRIC REINFORCED EPOXY LAMINATE PER BAC5470. LAMINATIONS PER BMS8-79, CLASS I, TYPE 181.