Service difficulty report · Floorbeam · Boeing 737330

Difficulty date
November 15, 2021
Submitted
November 17, 2021
Operation
Air carrier
Aircraft
N301KH
Make and model
Boeing 737330
Aircraft serial
27904
Aircraft time
49,543 hours, 54,360 cycles
Part
Floorbeam
Condition
Corroded
Stage of operation
IN
How discovered
O
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

1000573058 - CORROSION ON FLOORBEAM TOP CAP@ STA 887 RBL 47 BLENDED I.AW B.737-300 SRM REV 125 CH 51-10-02 PARA 14 AND WAS FOUND TO BE BEYOND ALLOWABLE LIMITS. ORIGINAL THICKNESS .153, MAX REMOVAL ALLOWED.015 (.138), REMAINING THICKNESS .079 I.AW B.737-300 SRM REV 125 CH 53-60-51 FIG 101. REPAIRED I.AW AEROSPACE DWG NO. R27904.1-053-019-001 REV:NC, & E015509 REV IR.