SDR CALA2013061200392

Service difficulty report · Skin · Boeing 737924

Difficulty date: June 9, 2013
Submitted: June 12, 2013
Operation: Air carrier
Aircraft: N31412
Make and model: Boeing 737924
Aircraft serial: 30129
Aircraft time: 34,870 hours, 14,043 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 182A40011
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

LEFT HORIZONTAL STAB SKIN PANEL SHOWS CRACK INDICATION C-SCAN STA 138.70, AREA MARKED, VERIFIED HFEC CRACK IN SIZE APPROX .75 IN LENGHT. REPAIRED LOWER SKIN AT STA 138.70, REF SRM 55-10-01, REPAIR 11. F OR PARTIAL WORK ACCOMPLISHED. NON ROUTINE 9605761 FOR ISSUED DIP AS REQUIRED BY STEP 5A ON PAGE 21-8, TABLE 204 OF SRM 55-10-01, REPAIR 11.