SDR FDEA201303280683

Service difficulty report · Crease Beam · Boeing 757204

Difficulty date: March 28, 2013
Submitted: March 29, 2013
Operation: Air carrier
Aircraft: N927FD
Make and model: Boeing 757204
Aircraft serial: 27220
Aircraft time: 65,146 hours, 23,073 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Part number: 146N5590
Condition: Corroded
Location: Bs 1580-1640
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

CABIN RT FLOOR CREASE BEAM HAS CORROSION AND CRACKS FROM BS 1580-1640, RBL64. FOUND OUT OF LIMITS IAW SRM 53-60-13, FIG 101, DETAIL VII. R & R CREASE BEAM WITH A NEW ONE, FABRICATED IAW SRM 51-40-02 & DWG 146N5590, BS 1580-1640, RBL64 CAT "A", MAJOR REPAIR.