Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date
March 27, 2025
Submitted
April 15, 2025
Operation
Air carrier
Aircraft
N443UP
Make and model
Boeing 75724APF
Aircraft serial
27388
Aircraft time
30,937 hours, 20,215 cycles
Part
Floorbeam
Part number
146N5017
Condition
Corroded
Location
Zone 200
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

FAULT: STR-200-MCC FLOOR STA.1200, LBL 0-62.225 HAS CORROSION.REMOVED NUTPLATE (11EA) ON STR-200-MCC FLOOR STA.1200, LBL 0-62.225 IAW B757-200 SRM 51-40-02-0G-0.REMOVED CORROSION IN THE AREA PER SRM 51-10-02.ACCOMPLISHED HFEC SURFACE ON FLOOR STA. 1200, LBL 0-62.225 IAW NTM B757 51-00-19 PART 6. NO CRACKS NOTED AT THIS TIME. NO CORROSION AT THIS TIME.INSTALLED 11EA NUTDOME IAW B757-200 SRM 51-40-02-0G-0

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