Service difficulty report · Skin · Boeing 737824

Difficulty date
September 4, 2025
Submitted
October 13, 2025
Operation
Air carrier
Aircraft
N33284
Make and model
Boeing 737824
Aircraft serial
31635
Aircraft time
66,230 hours, 24,640 cycles
Part
Skin
Part number
182A4001
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
V
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 AT LEFT HORIZONTAL STABILIZER LOWER SKIN AT STAB. STA 175.50 , 10" FROM REAR SPAR,I/B ROW. CRACK LENGTH : 0.281" ESFR SUBMITTED ACCOMPLISHED REPAIR ON LOWER INSPAR SKIN STA175.50 AT LH HORIZ. STAB. REF SRM 55-10-01-2R-11 & DWG 182A4001 AND REQUIRES DIPS AS PER SRM 55-10-01-2R-11, STEP 5 AND TABLE 204.PERFORM DVI AND EXTERNAL LFEC AT AN INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES & REPEAT INSPECTION EVERY 9,000 FLIGHT CYCLES. THRESHOLD INSPECTION 56000 TOTAL FC AND 9000FC THEREAFTER PER SRM 55-10-01-2R-11 TABLE 204 REPAIR PERFORMED ON LEFT HORIZONTAL STABILIZER LOWER SKIN AT STAB. STA 175.50 , 10" FROM REAR SPAR,I/B ROW. CRACK IAW SRM 55-10-01-2R-11. PERFORM INSPECTION AT 56000 TOTAL FC AND REPEAT INSPECTIONS EVERY 9000 FC IAW SRM 55-10-01-2R-11 TABLE 204