What was found
LEFT HORIZONTAL STABILIZER FRONT SPAR L/EINTERNAL STIFFENER # 4 CRACKED AT RIB 5 STA.12950. INSTALLED PERMANENT REPAIR AT LT HORZ STAB RIB #5 STA 129.50 STIFFENER #4 LOWER AREA PER REF B737 SRM 55-10-09-2R-4
- Difficulty date
- July 7, 2020
- Submitted
- July 21, 2020
- Operation
- Air carrier
- Aircraft
- N257WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32515
- Aircraft time
- 47,883 hours, 28,501 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Stiffener
- 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.