What was found
LT HORIZONTAL STAB RIB NR 4 STIFFENER NR 3 CRACK. INSTALLED HORIZONTAL STABILIZER MACHINED INSPAR RIB STIFFNER CRACK REPAIR ON LT HORIZONTAL STABILIZER NR 4 AT STIFFNER NR 3, PER REF 737-700 SRM 55-10-09-2R-4 REP 4.
- Difficulty date
- September 30, 2020
- Submitted
- November 5, 2020
- Operation
- Air carrier
- Aircraft
- N429WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33658
- Aircraft time
- 61,054 hours, 35,875 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Stiffener
- Condition
- Cracked
- Location
- Horizontal 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.