SDR CALA2020032700709

Service difficulty report · Skin · Boeing 737924ER

Difficulty date: March 24, 2020
Submitted: March 27, 2020
Operation: Air carrier
Aircraft: N57439
Make and model: Boeing 737924ER
Aircraft serial: 33534
Aircraft time: 36,173 hours, 12,505 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 182A4001
Condition: Cracked
Location: Lt Horiz 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 LOWER SKIN CRACKED AT STA 147.90 6 INCHES FWD OF DRAIN HOLE. ENDS OF CRACK MARKED AND VERIFIED BY HFEC. REPAIRED PER SRM 55-10-01 REPAIR 11 REF. F/C N/R 9731201 FOR ALL WORK PERFORMED. PLACED ON DIP FOR INSPECTION PER SRM 55-10-01 REPAIR 11 TABLE 204 PG 223. INSPECTION THRESHOLD 56,000 TOTAL FLIGHT CYCLES. DETAILED VISUAL INSPECTION 9,000 FLIGHT CYCLES. LFEC INSPECTION 9000 FLIGHT CYCLES.