SDR ASAA2015051911934

Service difficulty report · Floorbeam · Boeing 737890

Difficulty date: May 19, 2015
Submitted: June 3, 2015
Operation: Air carrier
Aircraft: N553AS
Make and model: Boeing 737890
Aircraft serial: 34594
Aircraft time: 35,353 hours, 11,265 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146A9401U3R
Condition: Corroded
Location: Bs 887
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

AFT CARGO FLOOR PANEL JOINT STRIP, UPPER SURFACE HAS CORROSION AT SEVERAL SPOTS. BS 887, LBL 25 - RBL 25, STR 26L-STR 26R. ACFT GROUNDED. RECIEVED NEW TEE ASSY 146A9401V39, LOCATED, DRILLED AND INSTALLED NUTPLATES IAW BAC DWG 146A9401 REV "A" AND SRM 51-40-05, R & R IAW AMM 25-52-10, PO 839853.1, DOT REMOVED.