Service difficulty report · Skin · Boeing 737824

Difficulty date
December 27, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N73270
Make and model
Boeing 737824
Aircraft serial
31632
Aircraft time
63,820 hours, 21,874 cycles
Part
Skin
Part number
NA
Condition
Cracked
Location
Lh Horizontal St
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

L/H HORIZONTAL STAB. LOWER SKIN STATION 147.90 HAS CRACK INDICATION I/B OF DRAIN HOLE AND FIGURE 206/REPAIR 11. INSPECTION THRESHOLD 56,000 TOTAL DETAILED VISUAL AND EXTERNAL LFEC. FLIGHT CYLCES. REPEAT EVERY 9,000 TOTAL FLIGHT CYCLES. METHOD REPAIRED R/H HORIZONTAL STAB PER SRM 55-10-01 REPAIR 11. PLACE ON DIP DO THE INSPECTIONS AS GIVEN IN TABLE 204/REPAIR 11 VERIFIED REPAIR GOOD. DIP 55-DIP STATED REPAIR ON RIGHT HAND SIDE AND NOT ON THE LEFT HAND SIDE FIGURE 206/REPAIR 11. INSPECTION THRESHOLD 56,000 TOTAL FLIGHT 9793472 CYLCES. REPEAT EVERY 9,000 TOTAL FLIGHT CYCLES SEE FC N/R REPAIRED L/H HORIZONTAL STAB PER SRM 55-10-01 REPAIR 11. PLACE ON DIP DO THE INSPECTIONS AS GIVEN IN TABLE 204/REPAIR 11AND REPAIRED L/H HORIZONTAL STAB PER SRM 55-10-01 REPAIR 11. PLACE CRACK WAS LOCATED AT STAB STA 147.9 24 INCHES AFT OF FRONT SPAR ON DIP DO THE INSPECTIONS AS GIVEN IN TABLE 204/REPAIR 11AND AND .625 IN IN LENGHT FIGURE 206/REPAIR 11. INSPECTION THRESHOLD 56,000 TOTAL FLIGHT CYLCES. REPEAT EVERY 9,000 TOTAL FLIGHT CYCLES.