Service difficulty report · Skin · Boeing 737824

Difficulty date
August 19, 2016
Submitted
August 22, 2016
Operation
Air carrier
Aircraft
N77520
Make and model
Boeing 737824
Aircraft serial
31658
Aircraft time
20,800 hours, 7,015 cycles
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

CRACK FOUND LT HORIZONTAL STABILIZER LOWER SKIN APPROXIMATELY 1" LONG LOCATED STA 138-70, 18" FORWARD OF T/E, INBD OF FASTENER INBD ROW. REPAIRED CRACKED LT HORIZONTAL STABILIZER LOWER SKIN STA 138.7, 18" FORWARD OF T/E IAW SRM 55-10-01, REPAIR 11, FIG 204, CAT B, REPAIR INSPECTION THRESHOLD 56000 F/C INSPECTION INTERVAL 9000 F/C TO INSPECT EXT DOUBLER, DVI AND AMP; SKIN UNDER DOUBLER, LFEC, INSPECTION THRESHOLD 56,000 TOTAL COMPONENT FLIGHT CYCLES WITH REPEAT INSPECTIONS THEREAFTER EVERY 9,000 FLIGHT CYCLES.