Service difficulty report · Floorbeam · Boeing 737790

Difficulty date
July 30, 2015
Submitted
August 25, 2015
Operation
Air carrier
Aircraft
N613AS
Make and model
Boeing 737790
Aircraft serial
30163
Aircraft time
53,531 hours, 24,214 cycles
Part
Floorbeam
Part number
147A55048
Condition
Corroded
Location
Bs 986
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 PASSENGER COMPARTMENT WET AREA CORROSION AT BS 986.5, RBL 32-45 UPPER AND LOWER SIDE OF BEAM. ACFT GROUNDED. CORROSION FOUND ON EXISTING T-CHORD REPAIR WAS FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51, REMOVED EXISTING REPAIR AND SURROUNDING FLOOR STRUCTURE IAW SRM 51-40-02, FABRICATED AND INSTALLED NEW T-CHORD REPAIR IAW SRM 53-40-51, REINSTALLED FLOOR STRUCTURE IAW SRM 51-40-02 DOT REMOVED.