What was found
LT HORIZONTAL STABILIZER L/E NUMBER 3 RIB IS CRACKED AT THE RIVET HOLE. DOT 82-034. / REMOVED AND REPLACED DAMAGED RIB (P/N 186A1303-1) STA: 95.96 ON LT HORIZ STAB L/E PANEL; RIB #3 PER REF B737 SRM 51-40-02-0G-0 AND #PL186A001.
- Difficulty date
- April 9, 2020
- Submitted
- May 1, 2020
- Operation
- Air carrier
- Aircraft
- N475WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32474
- Aircraft time
- 54,947 hours, 32,366 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.