SDR CALA2014090892072

Service difficulty report · Floorbeam · Boeing 767322

Difficulty date: September 2, 2014
Submitted: September 8, 2014
Operation: Air carrier
Aircraft: N657UA
Make and model: Boeing 767322
Aircraft serial: 27112
Aircraft time: 92,036 hours, 14,458 cycles
Engine: Pwa PW4060
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Mechanic Error
Location: Fuselage
Stage of operation: IN
How discovered: V
Nature of condition: W
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FLOORBEAM SINGLE FLANGE REPAIR AT BS 764, RBL 34 - 55 REQUIRES EVALUATION FOR PROPER NUMBER OF STRUCTURAL FASTENERS ON THE UPPER STRAP. EVALUATED PREVIOUS REPAIR STRAP & FOUND IMPROPER NUMBER OF FASTENER HOLES INSTALLED. R & R & FABRICATED A NEW REPAIR STRAP & ANGLE. MATERIAL ID FOR ANGLE IS 7075-T6 BAC 1490-2905 EXTRUSION & MATERIAL ID FOR 2 STRAP IS 7075-T6, 063 INCHES, & INSTALLED IAW SRM 53-00-51, REPAIR 2 & 51-40-2.