Service difficulty report · Skin · Boeing 7377H4

Difficulty date
July 11, 2022
Submitted
August 16, 2022
Operation
Air carrier
Aircraft
N484WN
Make and model
Boeing 7377H4
Aircraft serial
33841
Aircraft time
59,912 hours, 35,588 cycles
Part
Skin
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 INDICATION FOUND ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 203.10 RIB; 23.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 0.400 INCH . 2022-381241 / [01] TOOL USED EDDY CURRENT EQUIPMENT PN NORTEC 600 D SN 210138103 DUE DATE 11-APR-23.;[02] TOOL USED EDDY CURRENT EQUIPMENT PN NORTEC 600D SN 210138103 DUE DATE 11-APR-23;[03] REPAIRED LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 203.10 RIB; 23.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB IAW EA 22-155-02302 AND EA 22-155-02302-WIP1 SEE INDIVIDUAL SIGN OFFS BELOW;[04] REPAIRED LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 203.10 RIB; 23.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB IAW EA 22-155-02302 AND EA 22-155-02302-WIP1; RII. SEE INDIVIDUAL SIGN OFFS BELOW

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