Service difficulty report · Skin · Boeing 737724

Difficulty date
September 16, 2011
Submitted
September 21, 2011
Operation
Air carrier
Aircraft
N39728
Make and model
Boeing 737724
Aircraft serial
28944
Aircraft time
40,894 hours, 13,610 cycles
Part
Skin
Part number
182A4001
Condition
Cracked
Location
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

RT HORIZONTAL STAB LOWER SPAR SKIN SHOWS CRACK AT STA 129.50 I/B DRAIN HOLE (MARKED). REPAIRED RT HORZ STAB SKIN CRACK AT STA 129.50 USING REPAIR 11/CHAP 55-10-01 PG 201-217. REPAIR IS A CAT B PER TABLE 204/ PG216. INSP THRESHOLD 56,000 FLT CYCLES AFTER REPAIR WITH REPEAT INSP'S AT 9,000 FLT CYCLES OF DETAILED VISUAL AND LFEC. ALL PARTIAL WORK ATTACHED 44.0008 PLACED ON 55-DIP CTL # 012693 RT HORIZ STAB LWR SKIN CRACKED. INSTALLED REPAIR PER SRM 55-10- 01. C/W INSPECTION AT 56,000 FLT CYC'S AFTER REPAIR INSTALLED, THEREAFTER EVERY 9,000 FLT CYC'S.