- Difficulty date
- April 21, 2023
- Submitted
- May 22, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737752
- Aircraft serial
- 34294
- Aircraft time
- 57,926 hours, 30,275 cycles
- Part
- Rib
- Condition
- Cracked
- Location
- Zn 300 Stabilize
- 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.
What was found
LH HORIZONTAL STAB RIB #4 STIFFENER 2 LOWER FLANGE CRACK.<[01] REPAIRED LEFT HORIZONTAL STAB. #4 FOUND CRACKED AT STIFFENER #2 AS PER SRM 55-10-09-2R-5 REPAIR 5;[02] CORRECTION. REPAIRED LEFT HORIZONTAL STAB. RIB #4 FOUND CRACKED AT STIFFENER #2 AS PER SRM 55-10-09-2R-5 REPAIR 5;[03] RII -- VERIFIED LH HORIZONTAL STAB RIB # 4 REPAIR.