What was found
L/H HORIZONTAL STABILIZER INSPAR RIB ASSEMBLY #4, STAB. STA 120.30, 4TH VERTICAL STIFFENER CRACKED. / REPAIRED INSPAR RIB ASSEMBLY #4 IAW SRM.
- Difficulty date
- January 31, 2020
- Submitted
- February 13, 2020
- Operation
- Air carrier
- Aircraft
- N457WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33856
- Aircraft time
- 55,090 hours, 32,723 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- 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.