Service difficulty report · Bear Strap · Boeing 7377H4

Difficulty date
June 27, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
39,596 hours, 24,067 cycles
Part
Bear Strap
Condition
Cracked
Location
Bs 294 S7-8r
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 ON F.S.D. FWD BEAR STRAP; BS 294.5 +4; BETWEEN S-7R AND S-8R; WL 266 (MARKED) ; / [01] REMOVED STUB FRAME REVEAL FOR ACCESS PER SRM 51-40-02-0G-0; [02] ET INSPECTED IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23; NO CRACKS NOTED.<BR><BR>CAL ID ATS1465 N600; [03] UPON FURTHER INVESTIGATION CRACK FOUND ON STUB FRAME REVEAL DOOR SUPPRESSOR SEAL ONLY PART TO BE REPLACED PER SRM 51-10-02-0G-0 DUE TO NO ENTRIES FOUND ON SRM FOR CRACKS; [04] LOCATED AND DRILLED NEW REVEAL DOOR SEAL SUPPRESSOR PER SRM 51-40-05-0G-0 AND BOEING DWG 141A8370 OK TO INSTALL; [05] VERIFIED CRACK IS LIMITED TO SEAL SUPPRESSOR; VERIFIED LOCATE AND DRILL OF NEW SEAL SUPPRESSOR PER SRM 51-40-05 AND DWG 141A8370; OK TO INSTALL; [06] INSTALLED REVEAL DOOR SEAL SUPPRESSOR ON STUB FRAME BS294.5+4 BETWEEN STR7R-8R PER SRM 51-40-02-0G-0 AND BOEING DWG 141A8370; [07] VERIFIED INSTALLED REVEAL DOOR SEAL SUPPRESSOR ON STUB FRAME BS294.5+4 BETWEEN STR7R-8R PER SRM 51-40-02-0G-0 AND BOEING DWG 141A8370; [08] CRACK ON FSD FWD BEAR STRAP BS294.5+4 BETWEEN STR 7R-STR 8R WL266 FOUND TO BE ON STUB FRAME REVEAL DOOR SUPPRESSOR SEAL ONLY ; REMOVED REVEAL DOOR SEAL SUPPRESSOR AND INSTALLED A NEW I.A.W SRM 51-40-02-0G-0 AND BOEING DWG 141A8370; [09] VERIFIED CRACK ON FSD FWD BEAR STRAP BS294.5+4 BETWEEN STR 7R-STR 8R WL266 FOUND TO BE ON STUB FRAME REVEAL DOOR SUPPRESSOR SEAL ONLY ; REMOVED REVEAL DOOR SEAL SUPPRESSOR AND INSTALLED A NEW I.A.W SRM 51-40-02-0G-0 AND BOEING DWG 141A8370

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