SDR FDEA2020060381118

Service difficulty report · Floorbeam · Boeing 75723A

Difficulty date: April 8, 2020
Submitted: June 3, 2020
Operation: Air carrier
Aircraft: N917FD
Make and model: Boeing 75723A
Aircraft serial: 24291
Aircraft time: 50,074 hours, 23,035 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
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

EVIDENCE OF CORROSION ON FLOORBEAM, UPPER CHORD, LOWER SURFACE, AT BS1681 RBL 24 ADJACENT TO ANCHOR NUTPLATE. CORROSION REMOVED AND FOUND TO BE OUTSIDE LIMITS IAW SRM 53-00-51-1A. PREVIOUS UPPER CHORD REPLACEMENT REPLACED IAW EA F-5310-T0353625 P1 TITLE: FUSELAGE -MAINFRAME-CORROSION ON EXISTING REPAIR ON TOP CAP OF MAIN DECK FLOORBEAM AT BS 1681.

More about the Boeing 757-23A