Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 21, 2022
Submitted
August 1, 2022
Operation
Air carrier
Aircraft
N494WN
Make and model
Boeing 7377H4
Aircraft serial
33868
Aircraft time
59,296 hours, 35,349 cycles
Part
Rib
Condition
Cracked
Location
L/H Horiz. 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 92.70 LOCATED AT LOWER FLANGE LOC. AT 5.500 INCH FORM REAR SPAR AT LT HORIZONTAL STABILIZER 2022-373154 / [01] TOOL USED EDDY CURRENT EQUIPMENT PN. NORTEC 600D; SN. 60009161631; DUE DATE: 03-DEC-22;[02] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 112031023 DUE DATE: 01-FEB-23. TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 112820025 DUE DATE: 01-FEB-23.;[03] ET TOOL USED: PN: NORTEC 600D; SN: 200053492; DUE DATE: 13-MAY-23;[04] REPAIRED INSPAR RIB STA 92.70 AT REAR LOWER FLANGE LT HORIZONTAL STABILIZER I.A.W SRM B737-700 55-10-09-2R-5 REPAIR 5 AND SRM B737-700 51-40-02 SEE INDIVIDUAL SING OFFS STEPS BELOW.;[05] REPAIRED INSPAR RIB STA 92.70 AT REAR LOWER FLANGE LT HORIZONTAL STABILIZER I.A.W SRM B737-700 55-10-09-2R-5 REPAIR 5 AND SRM B737-700 51-40-02 SEE INDIVIDUAL SING OFFS STEPS BELOW... RII ITEM

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