SDR CALA2021121402360

Service difficulty report · Beam · Boeing 757200

Difficulty date: December 14, 2021
Submitted: December 15, 2021
Operation: Air carrier
Aircraft: N48127
Make and model: Boeing 757200
Aircraft serial: 28968
Aircraft time: 86,600 hours, 21,727 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Beam
Part number: 146N508990999
Condition: Corroded
Location: Sta1640bl0
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

REF AMES NR 0200-0146 B757-53-3-0572 UPPER CABIN FLOOR BEAM STA 1640 BL0 IS CORRODED. REMOVED CORROSION FROM UPPER CABIN FLOOR BEAM STA: 1640 BLO FOUN D TO BE (OUT OF LIMITS) I.A.W B757 SRM 53-00-51-1A-1 DETAIL III. ORIGINAL THICKNESS .125, .044 REMAINING, REPAIR FLOOR BEAM IAW B757 SRM 53-00-51-29- ADD EMP:V921504 11

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