Service difficulty report · Rib · Boeing 7377H4

Difficulty date
October 21, 2023
Submitted
November 21, 2023
Operation
Air carrier
Aircraft
N910WN
Make and model
Boeing 7377H4
Aircraft serial
36618
Aircraft time
50,934 hours, 30,655 cycles
Part
Rib
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 INSPAR RIB LOCATED STAB STA 120.30 AND 18 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER 2023-659076<[01] TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 500D; S/N: N500X12101V022237; DUE DATE: 26-JAN-24;[02] TOOL P/N: NORTEC 500D; S/N: N500X1693P030456; CAL DUE: 12-MAR-24.;[03] TOOL P/N: NORTEC 500D; S/N: N500X1693P030456; CAL DUE: 12-MAR-24.;[04] TOOL P/N: NORTEC 500D; S/N: N500X1693P030456; CAL DUE: 12-MAR-24.;[05] PERFORMED REPAIR ON INSPAR RIB LOCATED STAB STA 120.30 AND 18 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5; SEE INDIVIDUAL SIGN-OFF BELOW;[06] PERFORMED REPAIR ON INSPAR RIB LOCATED STAB STA 120.30 AND 18 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5; SEE INDIVIDUAL SIGN-OFF BELOW RII CERTIFIED

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