What was found
RIGHT HORIZONTAL STAB RIB AT HSS 120.30, THIRD VERTICAL STIFFENER WAS CRACKED. REPAIRED THE STIFFENER IAW SRM 55-10-09-2R5, SRM 51-40-02-0G-0, AMM 51-31-08-390-805, DRAWINGS 002A0001, 182A1500, 182A2401, AND 182A3001.
- Difficulty date
- June 15, 2020
- Submitted
- July 7, 2020
- Operation
- Air carrier
- Aircraft
- N480WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33998
- Aircraft time
- 55,251 hours, 32,519 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Stiffener
- Part number
- 002A0001
- Condition
- Cracked
- Location
- Horizontal Stab
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.