SDR FDEA201303110544

Service difficulty report · Floorbeam · Boeing 75728A

Difficulty date: March 11, 2013
Submitted: March 11, 2013
Operation: Air carrier
Aircraft: N967FD
Make and model: Boeing 75728A
Aircraft serial: 26269
Aircraft time: 51,750 hours, 16,973 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 141N51221
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

MAIN DECK FLOORBEAM BS 365 HAS CORROSION ON UPPER CHORD THROUGH BOLT HOLES TO LOWER FLANGE RBL 24.75-45.5. FLOORBEAM REMOVED IAW SRM 51-40-02, REV 108 & NEW FLOORBEAM INSTALLED IAW DWG 141N5112, SHT 1, REV D. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100.

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