Service difficulty report · Skin · Boeing 737824

Difficulty date
December 3, 2019
Submitted
December 7, 2019
Operation
Air carrier
Aircraft
N27213
Make and model
Boeing 737824
Aircraft serial
28773
Aircraft time
69,076 hours, 24,481 cycles
Part
Skin
Part number
182A4001
Condition
Cracked
Location
Horizontal Stab
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

C-SCAN ON LOWER SKIN OF THE RIGHT HORIZONTAL STAB. FOUND ONE CRACK INDICATION AT STAB STA 147.90 ABOUT 16" FROM THE AFT SPAR. (REF. F/C N/R 9713359). INITIATE DIP FOR INSPECTION REQUIREMENTS PER SRM 55-10-01 REPAIR 11 PAR. 5 TABLE 204. INITIATE DIP FOR INSPECTION REQUIREMENTS PER SRM 55-10-01 REPAIR 11 PAR. 5 TABLE 204 PG 223. INSPECTION THRESHOLD 56,000 TOTAL FLIGHT CYCLES. REPEAT INSPECTIONS- DETAILED VISUAL INSPECTION 9,000 FLIGHT CYCLES. LFEC INSPECTION 9,000 FLIGHT CYCLES. APPROVED TO LFEC INSPECTION AT AN INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES AND REPEAT INSPECTIONS AT 9,000 FLIGHT CYCLES IN REFERENCE WITH SRM 55-10-01 REPAIR 11 PAGE 223 TABLE 204.