Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
October 11, 2023
Submitted
November 8, 2023
Operation
Air carrier
Aircraft
N907WN
Make and model
Boeing 7377H4
Aircraft serial
36619
Aircraft time
51,137 hours, 29,886 cycles
Part
Stringer
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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 STRINGER 25R LOCATED BS540 AT FWD CARGO COMPARTMENT 2023-637779<[01] TOOL USED: ULTRASONIC THICKNESS GAUGE; PN: 45MG; SN: 221861811; DUE DATE: 08-NOV-23;[02] EDDY CURRENT EQUIPMENT USED P/N: NORTEC 600D; S/N: 220273012 AND DUE DATE: 17-DEC-23.;[03] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE 25 JAN 24; P/N P3015GOES00000 S/N 142811019 DUE DATE 25 JAN 24.;[04] PERFORMED PERMANENT REPAIR ON STRINGER 25R LOCATED BETWEEN BS500C + 10? TO BS540 AT FWD CARGO COMPARTMENT IAW. B737-700 SRM 53-00-03-2R-1.<BR>SEE INDIVIDUAL SIGN OFF BELOW;[05] PERFORMED PERMANENT REPAIR ON STRINGER 25R LOCATED BETWEEN BS500C + 10? TO BS540 AT FWD CARGO COMPARTMENT IAW. B737-700 SRM 53-00-03-2R-1.<BR>RII<BR>SEE INDIVIDUAL SIGN OFF BELOW

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