What was found
LEFT HORIZONTAL STABILIZER RIB 4 HSS 120.30, THE NR 4 STIFFENER MOST AFT STIFFENER CRACKED. REPAIRED THE STIFFENER IAW SRM.
- Difficulty date
- January 22, 2020
- Submitted
- January 28, 2020
- Operation
- Air carrier
- Aircraft
- N946WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36918
- Aircraft time
- 33,738 hours, 20,418 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Stiffener
- Part number
- 175A140520
- 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.