Service difficulty report · Bear Strap · Boeing 7377H4

Difficulty date
July 15, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
61,121 hours, 35,983 cycles
Part
Bear Strap
Condition
Cracked
Location
Bs 293
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 NOTED IN FWD GALLEY DOOR (R1) BEAR STRAP BS-293.5 APPROXIMATELY 4' BELOW STR-8R ; / [01] STARED REMOVING FASTENERS AT BS 291.5 FRAME FOR SKIN AND BEARSTRAP REPAIR PER SRM 51-40-02; [02] VERIFIED; [03] REMOVED ALL FASTENERS IN THE REPAIR AREA AT BS291.5 FRAME FOR SKIN AND BEAR STRAP REPAIR IAW SRM 51-40-02-0G-0; [04] REMOVED DAMAGE IN FWD GALLEY DOOR (R1) BEAR STRAP BS293.5 APPROXIMATELY 4' BELOW STR 8R IN A 1.2'X.9' AREA IAW SRM 51-10-02-0G-0; [05] VERIFIED CORRECTIVE ACTIONS #3 AND #408] FABRICATED REPAIR PARTS -1 DOUBLER FROM 2024T3#0.100 LOT#1455889-1; -2 TRIPLER AND -7 FLAT SHIM FROM 2024T3#0.063 LOT#1457316-1; -4 FILLER FROM 2024T3#0.090 LOT#1459968-1 AND -6 TAPERED SHIM FROM 2024T3#0.160 LOT#1419195-1 IAW SRM 53-10-01-2R-6; [09] ACCOMPLISHED A 0.040 INSURANCE CUT IAW SRM 53-10-01-2R-6; [10] APPLIED A CHEMICAL CONVERSION COATING TO ALL REPAIR PARTS AND THE BARE SURFACES AND CUT EDGE IAW SRM 53-10-01-2R-6 ITEM [20] INSTALLED ALL REPAIR PARTS IN FWD GALLEY DOOR (R1) BEAR STRAP AND SKIN BS293.5 IAW SRM 53-10-01-2R-6; [21] VERIFIED ITEM 20 REPAIR INSTALLATION; [22] DAMAGE REPAIRED PER EA 21-153-02100 (737-700 SRM 53-10-01-2R-6; REPAIR 6).

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