Service difficulty report · Skin · Boeing 7377H4

Difficulty date
October 26, 2021
Submitted
November 29, 2021
Operation
Air carrier
Aircraft
N445WN
Make and model
Boeing 7377H4
Aircraft serial
29841
Aircraft time
59,017 hours, 35,051 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 184.70; LOCATED 25.5 INCH FROM FRONT SPAR ON INBD SIDE OF RIB. CRACK LENGTH IS 0.750 INCH. ; 2021-487817 / [01] PERFORMED PERMANENT REPAIR ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 184.70; LOCATED 25.5 INCH FROM FRONT SPAR ON INBD SIDE OF RIB. IAW EA 21-155-03374; [02] CORRECTED STEP 1; PERFORMED PERMANENT REPAIR ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 184.70; LOCATED 25.5 INCH FROM FRONT SPAR ON INBD SIDE OF RIB. IAW EA 21-155-03374 SEE INDIVIDUALS SIGNOFF BELOW; [03] TASK CARD COMPLETE AND CERTIFIED AS RII.<BR><BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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