Service difficulty report · Bear Strap · Boeing 73773V

Difficulty date
July 24, 2021
Submitted
September 3, 2021
Operation
Air carrier
Aircraft
N7839A
Make and model
Boeing 73773V
Aircraft serial
30243
Aircraft time
57,802 hours, 35,522 cycles
Part
Bear Strap
Condition
Cracked
Location
Bs 294 S9r
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 AT R-1 DOOR BEAR STRAP BS-294.5 5' ABOVE STR-9R. CRACK APPROXIMATELY 1/4' - 1/2' INCH LONG AT TYPICAL LOCATION (SEE FIGURE 4 ON TASK TTG8Q001VJ2Y FOR TYPICAL LOCATION) ; / CUT AND REMOVED THE DAMAGED PART OF THE BEARSTRAP BY 2.2' LX1.0'W IAW SRM 53-10-01-2R-6 REPAIR 6 STEP 4C;ACCOMPLISHED OPEN HOLE INSPECTION TO SKIN AT R1 URR-FWD CORNER FASTENERS COMMON TO REPAIR AREA IAW B737 NDTM P6; 51-00-00 PROC 16. NO CRACKS NOTED. TOOL ID ATS1465; N600; TOOL ID ATS1411; MINIMITE FABRICATED -1 DOUBLER FROM 2024T3#0.100' CLAD LOT# 1455889-1; -2 TRIPLER & -7 FLAT SHIM FROM 2024T3#0.063' CLAD LOT# 1457316-1; -4 FILLER FROM 2024T3#0.090' CLAD LOT# 1459968-1 AND -6 TAPERED SHIM FROM 2024T3#0.160' BARE LOT# 1419195-1. TREATED IAW SRM 53-10-01-2R-6 REPAIR 6INSTALLED REPAIR PARTS AND APPLIED FILLET SEAL & CIC TO THE REPAIR AREA IAW SRM 51-40-02 AND IAW SRM 53-10-01-2R-6 REPAIR 6; [20] VERIFIED INSTALLATION OF REPAIR PARTS; FILLET SEAL APPLICATION; AND CIC PER SRM 51-40-02 AND SRM 53-10-01-2R-6

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