- Difficulty date
- January 29, 2006
- Submitted
- February 14, 2006
- Operation
- Air carrier
- Make and model
- Doug DC873F
- Aircraft serial
- 46124
- Aircraft time
- 83,105 hours, 30,019 cycles
- Part
- Stiffener
- Condition
- Cracked
- Location
- Horizontal Stab
- Part time
- 83,105 hours, 30,019 cycles
- 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
LT HORIZONTAL STABILIZER STIFFENER CRACKED 1 INCH XFS 47.500. REMOVED CRACKED STIFFENER IAW SRM 51-1-21, SRM 51-1-20D. FABRICATED NEW STIFFENER (AL7075"0" 0.063") IAW SRM 55-3-0 PG 8. HEAT TREATED FROM 7075"0" TO 7075T6 IAW SRM 51-1-1 PG 1-13-17. CLEANED TREATED AND PRIMED AREA AND STIFFENER IAW SRM 51-1-8B. INSTALLED NEW STIFFENER IAW SRM 51-1-21, SRM 51-1-20D, SRM 51-3-1 (TORQUE).