Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 1, 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
Rh Hor 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 AT STAB STA 92.70 AND 30 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER 2022-372700 / [01] EDDY CURRENT EQUIPMENT P/N: NORTEC500D; S/N: N500X12101V022237; DUE DATE: 06-OCT-22.;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 60009161631; DUE DATE: 03-DEC-22;[03] RERAIRED INSPAR RIB AT STAB STA 92.70 AND 30 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4 STEP 4.(I) TO (R) FIGURE 202 AND B737-700 SRM 51-40-05.MATERIAL USED P/N:5500003-01 PO# SW2022002378 TOOK MEASURE OF CRACK L: 0.966 INCH TOOL USED CALIPER P/N 500-197-30 S/N B16144224 DUE DATE 10-DEC-22 SEE INDIVIDUAL SING OFF BELLOW;[04] TASK CARD COMPLETED <BR>RII <BR>SEE INDIVIDUAL SIGN OFFS BELOW

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