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
Rt 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 AT RIGHT HORIZONTAL STABILIZER LOWER SKIN APPROXIMATELY 1" LONG LOCATED AT STA 101.90 12" FORWARD OF THE T/E, INBD OF FASTENER INBD ROW. REPAIRED CRACK RT HORIZONTAL STABILIZER STA 101.90 12" AND 18" FWD OF T/E IAW SRM 55-10-01, REPAIR 11, FIGURE 204. THIS IS A CAT B REPAIR WITH AN INSPECTION THRESHOLD OF 56, 000 TOTAL FLIGHT CYCLES AND AN INSPECTION INTERVAL OF 9,000 FLIGHT CYCLES TO INSPECT THE EXTERNAL DOUBLER, DVI, AND AMP; SKIN UNDER D INSPECTION THRESHOLD 56,000 TOTAL COMPONENT FLIGHT CYCLES WITH REPEAT INSPECTIONS THEREAFTER EVERY 9,000 FLIGHT CYCLES.