Service difficulty report · Bear Strap · Boeing 7377H4

Difficulty date
July 22, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Bear Strap
Condition
Cracked
Location
Bs 291-294 S8-9r
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

FORWARD GALLEY DOOR BEAR STRAP; BETWEEN S-8R AND 9R; BS291.- BS294.5 CRACKED APROX. 2.800' ; / [01] TRIMED OUT AND REMOVED THE DAMAGED AREA AT BEARSTRAP FWD GALLEY DOOR BETTWEEN S-8R AND S-9R BS 293 L=3.4; W=3 PER SRM 53-10-01-2R-6 REP. 6; [02] DO A HEFC EDDY CURRENT INSPECTION OF THE EDGES OF THE CUTOUT PER SRM 53-10-01-2R-6; [03] VERIFIED DAMAGE REMOVAL OF BEARSTRAP AT FORWARD GALLEY DOOR BETWEEN STRINGER 8 RIGHT AND 9 RIGHT PER SRM 53-10-01-2R-6 REP 6.; [04] ET INSPECTED TRIM IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23; NO CRACKS NOTED.<BR>CAL ID IS000450 N500D; [05] TRIMED OUT .040 INSURANCE CUT ALONG THE EDGE OF THE TRIME PER SRM 53-10-01-2R-6 [11] REMOVED RAIN GUTTER AT REPAIR AREA PER SRM 51-40-02 AND SRM 53-10-01-2R-6; [12] PRIOR TO CORRECTIVE ACTION ITEM 6; REMOVED ALL EXISTING FASTENERS IN REPAIR AREA PER SRM 53-10-01-2R-6; [13] FABRICATED -1 DOUBLER FROM 2024T3#0.100' CLAD LOT#1455889-1; -1 TRIPLER & -7 FLAT SHIM FROM 2024T3#0.063' CLAD LOT#1457316-1; -4 FILLER FROM 2024T3#0.090' CLAD LOT#1459968-1; -6 TAPERED SHIM FROM 2024T3#0.160' BARE LOT#1419195-1. TREATED ALL REPAIR PARTS IAW SRM 53-10-01-2R-6 REPAIR 6. OK TO PRIME.

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