Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
December 14, 2023
Submitted
January 22, 2024
Operation
Air carrier
Aircraft
N457WN
Make and model
Boeing 7377H4
Aircraft serial
33856
Aircraft time
65,535 hours, 39,332 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 26R BS 540; WL 151.5 AFT OF FWD CARGO COMPARTMENT 2023-766577<[01] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE: 25-JAN-24. TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811019 DUE DATE: 25-JAN-24.;[02] TOOL USED: THICKNESS GAGE; P/N: 45MG; S/N: 130066701; DUE DATE: 09-JUN-24.;[03] TOOL USED EDDY CURRENT EQUIPMENT P/N NORTEC 600D; S/N 60009161631 DUE DATE 31/JAN/24;[04] TOOL USED: DIGITAL CALIPER P/N: 500-197-30; S/N: A21147761 AND DUE DATE: 12-MAR-24;[05] PERFORMED PERMANENT REPAIR LOC. BS 500D TO BS 540 STRINGER 26R AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM-53-00-03-2R-1. REPAIR 1 FIGURE 206; TABLE 201 AND DWG 143A3230 SHEET 122. REV. SEE INDIVIDUAL SIGN OFF BELOW.;[06] PERFORMED PERMANENT REPAIR LOC. BS 500D TO BS 540 STRINGER 26R AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM-53-00-03-2R-1. REPAIR 1 FIGURE 206; TABLE 201 AND DWG 143A3230 SHEET 122. REV. SEE INDIVIDUAL SIGN OFF BELOW. CERTIFIED RII

More about the Boeing 737-7H4