SDR CALA2014013000119

Service difficulty report · Floorbeam · Boeing 75733N

Difficulty date: January 28, 2014
Submitted: January 30, 2014
Operation: Air carrier
Aircraft: N77865
Make and model: Boeing 75733N
Aircraft serial: 32589
Aircraft time: 40,657 hours, 11,955 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146N508940
Condition: Corroded
Location: Fuselage
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

CORROSION ON FLOOR BEAM BS 1640, RBL 5-LBL. 5 INCHES MAIN CABIN REMOVED CORROSION ON FLOOR BEAM BS 1640, RBL 5 - LBL 5 IAW B757-300 S RM 51-10-02 PARA 15 FIG 1 & 5. ORIGINAL MATERIAL THICKNESS WAS .125 INCHES, MATERIAL REMOVED WAS .030 INCHES & WAS OUT OF LIMITS IAW B 757-300 SRM 53-00-51 FIG 101 DETAIL III. REPAIRED FLOOR BEAM IAW REO-M0845 & B757-300 SRM 53-00-31 REPAIR 11 ECR.

More about the Boeing 757-33N