Service difficulty report · Bear Strap · Boeing 7377H4

Difficulty date
March 10, 2023
Submitted
April 14, 2023
Operation
Air carrier
Aircraft
N221WN
Make and model
Boeing 7377H4
Aircraft serial
34259
Aircraft time
58,908 hours, 34,823 cycles
Part
Bear Strap
Condition
Cracked
Location
Zn 200 Fus Top
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 BEAR STRAP LOCATED BS 291.5 PLUS 4 INCHES BTW STR 9RTO STR 10R AT FWD GALLEY AREA 2023-185146< EDDY CURRENT EQUIPMENT P/N: NORTEC500D; S/N: N500X12101V022237; DUE DATE: 26-JAN-23;[05] ET EQUIPMENT P/N: NORTEC 600D; S/N: 220272712; DUE DATE: 17-DEC-23;[06] TOOL USED: EDDY CURRENT EQUIPMENT. P/N: NORTEC 600D. S/N: 220272512. DUE DATE: 17-DEC-23.;[07] TOOL USED MICROMETER PN:293-344-30; SN: 71736459; DUE DATE: 29-NOV-23; SMALL HOLE GAUGE: PN: 154-901; SN: AE-411355; DUE DATE: 27-JAN:24.;[08] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 210138203; DUE DATE: 11-APR-23.;[09] TOOL USED MICROMETER PN:293-344-30; SN: 71736459; DUE DATE: 29-NOV-23;CALIPER PN: 500-197-30; SN: B20189362; DUE DATE: 27-DEC-23.;[10] TOOL USED MICROMETER PN:293-831-30; SN: 71150743; DUE DATE: 17-NOV-23;CALIPER PN: 500-197-30; SN: B20189362; DUE DATE: 27-DEC-23.;[11] PERFORMED PERMANENT REPAIR ON EXTERNAL SKIN LOCATED BTW BSTA 277 & BSTA 320 AND S-6R & S-11R (FWD GALLEY DOORWAY) IAW B737-700 SRM 51-10-01-2R-6 REPAIR 6 PARAGRAPH 4 Ï¿½TEM M;N AND O; AND EA-23-153-00981 SEE INDIVIDUAL SIGNOFFS BELOW.;[12] PERFORMED PERMANENT REPAIR ON EXTERNAL SKIN LOCATED BTW BSTA 277 & BSTA 320 AND S-6R & S-11R (FWD GALLEY DOORWAY) IAW B737-700 SRM 51-10-01-2R-6 REPAIR 6 PARAGRAPH 4 Ï¿½TEM M;N AND O; AND EA-23-153-00981 RII; SEE INDIVIDUAL SIGNOFFS BELOW.

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