What was found
AIRCRAFT IN BASE MAINTENANCE: RIGHT HORIZONTAL STABILIZER RIB AT STA 92.70 HAS A CRACK IN EACH OF THE THREE AFT STIFFENERS. INSTALLED FASTENERS THROUGH REPAIR AND VERTICAL WEB OF RIB AT 3RD STIFFENER FROM SPAR PER SRM 55-10-09-2R-4.
- Difficulty date
- January 10, 2022
- Submitted
- January 25, 2022
- Operation
- Air carrier
- Aircraft
- N822NN
- Make and model
- Boeing 737*
- Aircraft serial
- 31085
- Aircraft time
- 36,185 hours, 14,726 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Zone 300 - Stabs
- 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.