Service difficulty report · Crease Beam · Boeing 757251

Difficulty date
April 13, 2016
Submitted
April 15, 2016
Operation
Air carrier
Aircraft
N544US
Make and model
Boeing 757251
Aircraft serial
26491
Aircraft time
62,031 hours, 20,245 cycles
Part
Crease Beam
Condition
Corroded
Location
Bs 440-450
Stage of operation
IN
How discovered
9
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

PASSENGER CABIN CREASE BEAM INNER CHORD HAS CORROSION AT STA 440-450 LEFT SIDE. FOUND CORROSION ON CREASE BEAM AT BS 445 TO BE OUT OF LIMITS100% MATERIAL LOSS. REPAIRED BEAM FROM BS 430-470 LEFT SIDE. IAW B757-200 SRM 53-00-13 REPAIR 1 PAGE 201 TO 210, SRM 53-30-13 ALLOWABLE DAMAGE 1, AMM 51-21-00 PAGE 1, AMM 51-24-03 PAGE 1-3.