What was found
AIRCRAFT IN BASE MAINTENANCE: 0.75 INCH CRACK FOUND ON RIB LOCATED AT RIGHT STABILIZER STA 92.7 AND 1 INCH FROM THE BOTTOM ON THE NUMBER 4 STIFFENER. INSTALLED INTERNAL DOUBLER REPAIR PER SRM 55-10-09-2R-4.
- Difficulty date
- August 15, 2022
- Submitted
- August 19, 2022
- Operation
- Air carrier
- Aircraft
- N848NN
- Make and model
- Boeing 737
- Aircraft serial
- 31103
- Aircraft time
- 36,379 hours, 14,924 cycles
- System (JASC)
- 5531 · Vertical 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.