SDR SWAA2020102820284

Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date: September 30, 2020
Submitted: October 28, 2020
Operation: Air carrier
Aircraft: N430WN
Make and model: Boeing 7377H4
Aircraft serial: 33659
Aircraft time: 61,499 hours, 36,261 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 896
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, ON FLOOR BEAM AT BS 986.5, LBL 44, WL 208.1. FLOOR BEAM AT BS 986.5, LBL 44, WL 208.1. DAMAGED AREA FOUND TO BE OUT OF LIMITS DUE TO MORE THAN 50% OF MATERIAL LOSS IN AN AREA OF .5' X .5'. THEREFORE; REPAIRED FLOOR BEAM AT BS 986.5 LT WL 208, IAW SRM 53-70-51-2R-4 REPAIR 4.

More about the Boeing 737-7H4