Service difficulty report · Floor Support · Boeing 757231

Difficulty date
June 18, 2020
Submitted
June 30, 2020
Operation
Air carrier
Aircraft
N989FD
Make and model
Boeing 757231
Aircraft serial
28480
Aircraft time
53,269 hours, 19,249 cycles
Part
Floor Support
Part number
144NN51522
Condition
Damaged
Location
Bs 920-1000
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

MAIN CARGO FLOOR SUPPORT ANGLE HAS MULTIPLE DRILL START/TOOLING MARKS @ RBL- 64 STA. 920 TO STA. 1000 BLENDED OUT TOOLING MARKS AT MAIN CARGO FLOOR SUPPORT (CREASE BEAM) AT STA.920 TO STA. 1000 RBL 64 AND FOUND OUT OF LIMITS IAW B757 SRM 53-40-13-1A FIG 101 DET VIII, REMOVED AND REPLACED BY FABRICATION CREASE BEAM FROM STA. 900 TO STA 1040 RBL 64 IAW B757 SRM 51-40-05, 51-20-01, 51-40-02 AND BOEING DWG # 144N5140 REV A