Service difficulty report · Skin · Boeing 737824

Difficulty date
November 12, 2024
Submitted
November 25, 2024
Operation
Air carrier
Aircraft
N73278
Make and model
Boeing 737824
Aircraft serial
31596
Aircraft time
62,400 hours, 22,357 cycles
Part
Skin
Part number
182A40011
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
O
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

LEFT HORIZONTAL STAB LOWER SKIN HAS A SMALL (1/4") CRACK AT STAB STA 101.90 NEAR DRAIN HOLE BETWEEN 2 EXISTING REPAIRS. REF BAM NON-ROUTINE 002258732. ISSUED DIP TO READ "INSPECTION THRESHOLD 56,000 TOTAL FLIGHT PART OF DOUBLER AND A LFEC INSPECTION OF THE SKIN AND SPAR CYCLES THEREAFTER." REF SRM 55-10-01-2R-11 REPAIR 11. SEE BAM NO CYCLES TO PERFORM A DETAILED VISUAL INSPECTION OF THE EXTERNAL CORD UNDER THE DOUBLER. REPEAT INSPECTIONS EVERY 9,000 FLIGHT N-ROUTINE 2258732 FOR ALL WORK ACCOMPLISHED. INSTALLED REPAIR DOUBLER. REPAIR DOUBLERS WERE INCORPERATED INTO THIS REPAIR DOUBLER. VERIFIED CREATION OF DIP