SDR CALA2017110303890

Service difficulty report · Skin · Boeing 737824

Difficulty date: October 31, 2017
Submitted: November 3, 2017
Operation: Air carrier
Aircraft: N18220
Make and model: Boeing 737824
Aircraft serial: 28929
Aircraft time: 62,021 hours, 22,046 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 185A1702
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

RIGHT HORIZONTAL STAB LOWER SKIN, CRACK DETECTED AT HSS 138.70, LOCATED 17 TO 19 INCHES FROM REAR SPAR, JUST INBD OF INSPAR RIB FASTENER ROW. REMOVED EXISTING REPAIR ADJACENT TO CRACK. REMOVED THE CRACKS, INSTALLED ONE DOUBLER OVER ALL THREE CRACKS IAW SRM 55-10-01, REPAIR 11.