What was found
CRACK LEADING EDGE RIB Ï¿½4 AT LT HORIZONTAL STABILIZER / REPLACED LEADING EDGE RIB #4 AT LT HORIZONTAL STABILIZER I.A.W B737-700 SRM 51-40-02 AND DWG 186A1304-1 REV. DWG 186A1001-15 REV A. PART USED 186A1352-7 P.O:202113368500101
- Difficulty date
- March 25, 2021
- Submitted
- April 28, 2021
- Operation
- Air carrier
- Aircraft
- N443WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29838
- Aircraft time
- 60,053 hours, 35,289 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.