Service difficulty report · Skin · Boeing 737924ER

Difficulty date
January 26, 2019
Submitted
January 28, 2019
Operation
Air carrier
Aircraft
N37427
Make and model
Boeing 737924ER
Aircraft serial
37097
Aircraft time
34,841 hours, 11,900 cycles
Part
Skin
Part number
182A4001
Condition
Cracked
Location
Rt Horiz Stab
Stage of operation
IN
How discovered
O
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

CRACK INDICATED ON RT HORIZ STAB LOWER INSPAR SKIN AT STA 129.50 APPROX. 16.5" AFT OF LEADING EDGE - CRACK IS APPROX 1.5" IN LENGTH - ENDS OF CRACK VERIFIED WITH EDDY CURRENT AND MARKED REPAIRED CRACK ON RH HORIZ STAB LOWER INSPAR SKIN AT STA 129.50 APPROX 16.5" AFT OF LEADING EDGE. INITIATE DIP TO REINSPECT EVER Y 9000 FC TOTAL 56000 FC. TOMC APPROVED ON REPAIRED CRACK ON RT HORIZONTAL STAB LOWER INSPAR SKIN AT STA 129.50 APPROX. 16.5" AFT OF LEADING EDGE, REF SRM 55-10-01 REPAIR 11, STARTING AT INSPECTION THRESHOLD 56,000 TOTAL FLIGHT CYCLES, ACCOMPLISH DETAILED VISUAL INSPECTION AND EXTERNAL LFEC INSPECTIONS AT INTERVALS NOT TO EXCEED 9,000 FLIGHT CYCLES. TOMC-APPROVAL FROM SC1ELBYC COMMENT INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE. N/R IS GENERATED FOR DIP PURPOSE ONLY QC REVIEWED QC REVIEWED.