Service difficulty report · Skin · Boeing 737824

Difficulty date
October 3, 2012
Submitted
October 4, 2012
Operation
Air carrier
Aircraft
N76265
Make and model
Boeing 737824
Aircraft serial
31585
Aircraft time
33,724 hours, 10,521 cycles
Part
Skin
Part number
186A1000
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 LOWER SKIN AREA ANOMALY FOUND AT STA 147.90 AND 17 " FROM REAR SPAR ANOMALY MEASURES .750" LONG SKIN CRACK AT STA 147.90 LT STAB LOWER SKIN REPAIRED IAW SRM T/R 55-15 / 55-10-01 AND ECRA 5510-02160 REPAIR TO BE INSP AT 56000 FLT CYC'S AFTER INITIAL REPAIR FOLLOWED BY REINSP. AT 9000 FLT CYC INTERVALS IAW PARA 5 INSP REQUIREMENTS. QC PERFORM A DVI AND LFEC OF THE REPAIR ON LT H/S SKIN AT STA 147.90 WITHIN THE INITIAL INSP THRESHOLD OF 56,000 FLIGHT CYCLES FROM 03/26/2011 AND ACCOMPLISH A REPEDITIVE INSP EVERY 9,000 FLIGHT CYCLES THEREAFTER IAW SRM 55-10-01, REPAIR 11, TABLE 204 AND TABLE 206. 1) INIT: W/I 56K F/C. INIT WILL AUTO-ITO TO 2) RIR: W/I EVERY 9K F/C THEREAFTER.