Service difficulty report · Bear Strap · Boeing 7377H4

Difficulty date
June 28, 2021
Submitted
July 30, 2021
Operation
Air carrier
Aircraft
N751SW
Make and model
Boeing 7377H4
Aircraft serial
29803
Aircraft time
74,739 hours, 44,231 cycles
Part
Bear Strap
Condition
Cracked
Location
Bs 294
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

CRACK FOUND AT INTERNAL MAIN CABIN BEAR STRAP STA 294.5 JUST BELOW STR 8-R; CRACK LENGTH :2.362' / [01] STRIPPED PAINT AT THE REPAIR AREA OF R-1 UPPER FWD. CORNER; STA. 294.5; S-8R; CUT AND REMOVED DAMAGE PART OF THE BEAR STRAP PER B737-700 SRM 53-10-01-2R-6 PARAGRAPH 4.C; FIG 202; REPAIR 6; [18] VERIFIED STEPS 16AND STEP 17.; [19] CONTINUED FABRICATION OF REPAIR PARTS (DOUBLER &TRIPLER ) PER B737-700 SRM 53-10-01-2R-6 REPAIR 6; [20] VERIFIED STEP 19; [21] VERIFIED STEP 19; [22] OK TO TREAT AND PRIME BEARSTRAP AND FUSELAGE SKIN; [23] TREATED AND PRIMED BEARSTRAP TRIM OUT EDGES AND FUSELAGE SKIN PER B737-700 SRM 51-20-01-OG-0; [24] COMPLETED FABRICATION OF REPAIR PARTS DOUBLER MATERIAL USED 2024-T3 CLAD 0.100 IN; TRIPLER MATERIAL USED 2024-T3 CLAD 0.063 INSTARTED INSTALLATION OF REPAIR PARTS PER B737-700 SRM 53-10-01-2R-6; REPAIR 6 AND SRM 51-40-02-0G-0; [45] VERIFIED STEP 44; [46] CONTINUE INSTALLATION OF REPAIR PARTS PER B737-700 SRM 53-10-01-2R-6; REPAIR 6 AND SRM 51-

More about the Boeing 737-7H4