What was found
LEFT HORIZONTAL STAB INSPAR RIB ASSY 4 (STAB STA 120.30) STIFFENER 3 HAS A CRACK NEAR LOWER SKIN / ACCOMPLISHED LEFT HORIZONTAL STAB RIB STA 120.30 REPLACEMENT ON NRC 40558-3400-0011. DEFECT #Y187294
- Difficulty date
- March 1, 2020
- Submitted
- March 31, 2020
- Operation
- Air carrier
- Aircraft
- N458WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33857
- Aircraft time
- 55,631 hours, 33,048 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- 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.