SDR CALA2022010500020

Service difficulty report · Skin · Boeing 737924

Difficulty date: January 3, 2022
Submitted: January 5, 2022
Operation: Air carrier
Aircraft: N73406
Make and model: Boeing 737924
Aircraft serial: 30123
Aircraft time: 56,437 hours, 23,129 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Skin
Part number: 182A400111
Condition: Cracked
Location: Sta101.90
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

REF FOR FLEET CYCLE...L/H HORIZONTAL STAB. LWR SKIN STA. 101.90 HAS CRACK INDICATION 14" AFT OF FRONT SPAR.(MARKED) ACCOMPLISHED SFR 1027346 -01-2R-11. 5A TABLE 204, "REPEAT INSPECTIONS 56,000 TOTAL FLIGHT FREQUENCY EDDY CURRENT INSP. PER 737 NDT PART6. 51-00-26, FIGURE CYCLES- DETAIED VISUAL INSP.9000 FLIGHT CYCLES &EXTERNAL LOW 1 REF FLEET CYCLE LP 9793313. REPAIREDL/H HORIZONTAL STAB. LOWER S KIN STA.101.90 IAW SRM 55-10-01-2R-11. INITIAT DIP PER SRM 55-10 ITEM NOT RII PER GMM-09-25-05.