Service difficulty report · Rib · Boeing 7377H4

Difficulty date
November 23, 2022
Submitted
January 9, 2023
Operation
Air carrier
Aircraft
N439WN
Make and model
Boeing 7377H4
Aircraft serial
29834
Aircraft time
64,965 hours, 38,601 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
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 STAB STA 111.10 AND 28 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER 2022-663967<[01] TOOL USED CALIPER P/N 500-197-30 S/N B16144189 DUE DATE 11-MAR-23;[02] TOOL USED: EDDY CURRENT INSTRUMENT P/N: NORTEC 600D; S/N: 210138103; DUE DATE: 11-APR-23;[03] TOOL USED: EDDY CURRENT INSTRUMENT P/N: NORTEC 600D; S/N: 210138103; DUE DATE: 11-APR-23;[04] TOOL USED: EDDY CURRENT EQUIPMENT. P/N: NORTEC 500D. S/N: N500X12101V022235. DUE DATE: 03-AUG-23.;[05] REPAIRED INSPAR RIB STAB STA 111.10 AND 28 INCH FROM FRONT SPAR ATINSPAR RIB RT HORIZONTAL STABILIZER IAW SRM-55-10-09-2R-4 REPAIR 4 SEE INDIVIDUAL SIGN-OFF BELOW;[06] REPAIRED INSPAR RIB STAB STA 111.10 AND 28 INCH FROM FRONT SPAR ATINSPAR RIB RT HORIZONTAL STABILIZER IAW SRM-55-10-09-2R-4 REPAIR 4 SEE INDIVIDUAL SIGN-OFF BELOW<BR><BR>RII ACCOMPLISHED

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