SDR CALA2015091800773

Service difficulty report · Skin · Boeing 737824

Difficulty date: September 17, 2015
Submitted: September 18, 2015
Operation: Air carrier
Aircraft: N78511
Make and model: Boeing 737824
Aircraft serial: 334459
Aircraft time: 25,135 hours, 8,669 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 182A400116
Condition: Cracked
Location: Rt Horiz Stab
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

WHILE PERFORMING C SCAN, FOUND CRACK ON RT HORIZONTAL STAB LOWER SKIN AT STAB STATION 138.7, 9" AFT OF FWD EDGE OF SKIN. CRACK IS APPROX 3/4" LONG. INSTALLED REPAIR DOUBLER IAW SRM 55-10-01 REPAIR 11. DIP INITIATED IAW SRM 55-10-01 REPAIR 11 PARA 5, TABLE 204. PERFORM DV & LFEC INSPECTIONS AT 56,000 TOTAL COMPONENT FLIGHT CYCLES WITH REPEAT INSPECTIONS EVERY 9,000 FLIGHT CYCLES.