SDR FDEA201306261404

Service difficulty report · Floorbeam · Boeing 757230

Difficulty date: June 26, 2013
Submitted: July 3, 2013
Operation: Air carrier
Aircraft: N985FD
Make and model: Boeing 757230
Aircraft serial: 24737
Aircraft time: 56,840 hours, 19,976 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146N509127
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

CORROSION FOUND UNDER SEVERAL FASTENER HOLES AT BS 1681, LBL 62 -RBL 62. REMOVED CORROSION IAW SRM 51-10-02. FOUND OUT OF LIMITS IAW SRM 53-00-51 FIG 101 DET. III. REMOVED FLOORBEAM IAW SRM 51-40-02. FABRICATED FLOORBEAM IAW DRAWING 146N5091. TREATED & ALODINE & PRIMED IAW SRM 51-20-01 APPLIED TOP COAT IAW AMM 51-21-00-7. INSTALLED NEW FLOORBEAM IAW SRM 51-40-02 AND DRAWING 146N5091. REPAIR IS CLASSIFIED AS MAJOR.