Service difficulty report · Skin · Boeing 7377H4

Difficulty date
December 3, 2022
Submitted
January 5, 2023
Operation
Air carrier
Aircraft
N932WN
Make and model
Boeing 7377H4
Aircraft serial
36639
Aircraft time
45,146 hours, 27,359 cycles
Part
Skin
Condition
Cracked
Location
Horizontal 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 FOUND ON RT HORIZONTAL STAB LOWER SURFACE SS-193.90 17' FROM THE REAR SPAR. CRACK LENGTH 1.0625'. REMOVED CRACK IAW 55-10-01-2R-2 REPAIR 2. PERFORMED LAYOUT AND FABRICATED NEW FILLER AND LOCATED AND DRILLED FIRST SIZE ON REPAIR IAW SRM 55-10-01-2R-11, REPAIR 11 JOB. FABRICATED A NEW DOUBLER. LOCATED & DRILLED IAW SRM 55-10-01-2R-11, REPAIR 11. TREATED & PRIMED DOUBLER, FILLER & AREA IAW AMM 51-21-41-370-803 & AMM 51-21-72-370-803. INSTALLED THE DOUBLER & FILLER IAW SRM 55-10-01-2R-11.

More about the Boeing 737-7H4