SDR CALA2022120503301

Service difficulty report · Skin · Boeing 737824

Difficulty date: December 4, 2022
Submitted: December 5, 2022
Operation: Air carrier
Aircraft: N73283
Make and model: Boeing 737824
Aircraft serial: 31606
Aircraft time: 59,556 hours, 21,506 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Condition: Cracked
Location: Horizontal Stab
Stage of operation: IN
How discovered: E
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

LH HORIZONTAL STAB LOWER SKIN HAS 2 CRACKS. CRACK 1- STA 138.70 L= .500". CRACK 2 - STA 120.30 = .400". 01 AMM 51-21-73-370-801, AMM 51-21-00-100-801, PERFORMED NDT IAW PART 6, 51-00-00 PROC 16 PROC 23, HFEC NDT INSPECTION ACCOMPLISHED ON ALL 3 CUTOUTS AND ALL OUTER FASTENER HOLES DIP PER ABOVE REQUIREMENTS. REMOVED PREVIOUS REPAIR AT STA 120-136 IAW SRM 55-10-01 REP 11 TABLE 204.