What was found
R/H HRZ STB L/E (341B) LOWER AFT AT RIB #4 HAS A CRACK (228-002)<[01] SUMMARY: REMOVED AND REPLACED RIB #4 AT R/H HORIZONTAL STAB. L/E AS PER B-737 SRM 51-40-02-0G-0 AND DWG 186A1304;[02] VERIFIED STEP1.;[03] VERIFIED STEP 1.
- Difficulty date
- August 31, 2024
- Submitted
- October 7, 2024
- Operation
- Air carrier
- Aircraft
- N489WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33855
- Aircraft time
- 63,611 hours, 38,095 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Zone 300
- 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.