Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 6, 2023
Submitted
September 5, 2023
Operation
Air carrier
Aircraft
N903WN
Make and model
Boeing 7377H4
Aircraft serial
32457
Aircraft time
51,287 hours, 30,971 cycles
Part
Rib
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
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 8 INCH FROM REAR SPAR LT HORIZONTAL STAB 2023-491739<[01] TOOL USED : EDDY CURRENT EQUIPMENT P/N NORTEC 500 S/N N500X12101V022233 DUE DATE : 30-AUG-23.;[02] TOOL USED P/N NORTEC500D S/N N500X12101V022233 DUE DATE : 30-AUG-23;[03] TOOL USED EDDY CURRENT EQUIPMENT PN: NORTEC 600D; SN: 210136503; DUE DATE: 23-MAY-24;[04] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[05] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[06] PERFORMED PERMANENT REPAIR INSPAR RIB LOCATED STAB STA 120.30 AND 8 INCH FROM REAR SPAR LT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5.

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