Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
August 15, 2021
Submitted
August 19, 2021
Operation
Air carrier
Make and model
Boeing 7377H4
Aircraft serial
33990
Aircraft time
57,970 hours, 34,611 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 540 Rbl 1
Stage of operation
IN
How discovered
9
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

DURING OK TO INSTALL FOUND PANEL BREAK CRACKED AT STA 540 RBL 1 ; / [01] REMOVED FLOOR PNL 231UF I/A/W SRM 51-40-02-0G-0; [02] REMOVED FLOOR BREAK AT STA 540 RBL 1 I/A/W SRM 51-40-02-0; [03] DRILLED UP NEW FLOOR BREAK AT STA 540 RBL1 I/A/W SRM51-40-02-0G-0 AND BOEING DWG 143A0060 REV A A TAG #A72337; [04] VERIFIED STEPS 1-3; [05] INSTALLED NEW FLOOR BRACK I/A/W SRM 51-40-02-0G-0 AND BOEING DWG # 143A0060 REV A; [06] VERIFIED STEP 5<BR><BR>OK TO INSTALL FLOOR BOARD; [07] APPLIED CIC TO NEW FLOOR BREAK AT STA 540 RBL 1 I/A/W AMM 51-21-91-620-802; [08] C/W; [09] INSTALLED FLOOR PNL 231UF I/A/W AMM 53-21-00-400-801; [10] REMOVED AND INSTALLED NEW FLOOR BRACK AT STA 540 RBL 1 I/A/W SRM 51-40-02-0G-0 AND BOEING DWG 143A0060 REV A; [11] C/W<BR><BR>AUDIT COMPLETE; [12] VSRIFIED

More about the Boeing 737-7H4