Service difficulty report · Skin · Boeing 7377H4

Difficulty date
February 23, 2023
Submitted
April 10, 2023
Operation
Air carrier
Aircraft
N438WN
Make and model
Boeing 7377H4
Aircraft serial
29833
Aircraft time
65,970 hours, 39,056 cycles
Part
Skin
Condition
Cracked
Location
Zn 300 Stabilize
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

LT HORIZONTAL STABILIZER LOWER SKIN HAS A 0.375' CRACK LOCATED AT HSS 193.90 INBD SIDE BETWEEN RIVET 18 & 19 (18') COUNTING FROM THE FRONT SPAR LT HORIONTAL STABILIER LOWER SKIN HAS A 0.375 & 34. CRACK LOCATED AT HSS 193.90 INBD SIDE BETWEEN RIVIT FASTENER 18 AND 19 (18") COUNTING FROM THE FRONT SPAR. REMOVED PAINT AT REPAIR LOCATION. LAID OUT REPAIR FASTENERS FOR REPAIR. PARTIALLY FABRICATED REPAIR DOUBLER & FILLER. CUT OUT SKIN IAW SRM 55-10-01-2R-11. FABRICATED FILLER AND PARTIALLY DRILLED DOUBLE IAW 55-10-01-2R-11. C/W INSTALLED REPAIR PARS PER SRM 55-10-01-2R-11. APPLIED EDGE SEALANT TO REPAIR DOUBLER PER SRM 55-10-01-2R-11. APPLIED TOPCOAT TO REPAIR AREA PER SRM 55-10-01-2R-11 REPAIR 11.

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