What was found
LEFT HORIZONTAL STABILIZER INTERNAL STRUCTURE STA 129.50 FOUND CRACK AT #4 STIFFENER. REPAIRED RIB STA 129.50, STIFFENER#4 AS PER REF. B737 SRM 55-10-09-2R-4, 4B (1)
- Difficulty date
- April 21, 2025
- Submitted
- April 28, 2025
- Operation
- Air carrier
- Aircraft
- N77430
- Make and model
- Boeing 737924ER
- Aircraft serial
- 37098
- Aircraft time
- 51,551 hours, 18,248 cycles
- System (JASC)
- 5514 · Horizontal Stabilizer Miscellaneous Structure
- Part
- Stiffener
- 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.