Service difficulty report · Floor Support · Boeing 737890

Difficulty date
August 19, 2023
Submitted
September 15, 2023
Operation
Air carrier
Aircraft
N538AS
Make and model
Boeing 737890
Aircraft serial
41188
Aircraft time
40,626 hours, 11,918 cycles
Part
Floor Support
Part number
146A750124
Part serial
UNK
Condition
Corroded
Location
Unknown
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 PIT FLOOR SUPPORT STA 787 TO 832 RBL 13.84 IS CORRODED. GROUNDED - YES. REMOVED THE CORROSION FROM THE AFT PIT FLOOR SUPPORT STA 787 TO 832, RBL 13.84 IAW B737-800 SRM 53-00-53-1A-2.D. ORIG THICKNESS IS .070 IAW B737-800 SRM 53-60-53-01-2 TABLE 2. REMOVED .013, REMAINING THICKNESS IS .057 AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.4.B.(2). REPAIRED AFT PIT FLOOR SUPPORT STA 747 +10 TO 887, RBL 13.84 IAW B737-800 SRM 53-00-53-2R-3.