Service difficulty report · Floorbeam · Boeing 737

Difficulty date
April 4, 2023
Submitted
April 5, 2023
Operation
Air carrier
Aircraft
N25705
Make and model
Boeing 737
Aircraft serial
28766
Aircraft time
77,491 hours, 27,915 cycles
Part
Floorbeam
Part number
NA
Condition
Corroded
Location
Sta 986.5 ,Rbl24
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT WET AREA FLOOR BEAM STA 986.5 ,RBL24 TO RBL50 HAS SPOTS OF CORROSION. (REF AAR NR 975077) REMOVED CORROSION ON FLOOR BEAM STA 986.5 RBL 24 ACCOMPLISHED FLOOR BEAM REPAIR AS PER SRM TO RBL 50 AS PER SRM 51-10-02-0G-0. ORIGINAL MAT 53-70-51-2R-4 ALTERNATE 1 0.150IN MAT REMAINING 0.089IN MAT LOSS 0.061IN (WORK ACCOMPLISHED BY V931343) FOUND OUT OF LIMITS AS PER SRM 53-70-51-1A-1. ACCOMPLISHED FLOOR BEAM REPAIR AS PER SRM 53-70-51-2R-4 ALTERNATE 1 WORK ACCOMPLISHED BY V931343. REMOVED CORROSION ON FLOOR BEAM STA 986.5 RBL 24 TO RBL 50 AS PER SRM 51-10-02-0G-0. ORIGINAL MAT 0.150IN MAT REMAINING 0.089IN MAT LOSS 0.061IN FOUND OUT OF LIMITS AS PER SRM 53-70-51-1A-1. ADD EMP:V931343