What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK FOUND IN RIB AT FIRST STIFFENER AFT OF THE FRONT SPAR. LOCATED AT STABILIZER STA 92.70 FRONT SPAR PLUS 6. REMOVED AND REPLACED CRACKED RIB PER SRM 55-40-02.
- Difficulty date
- September 28, 2022
- Submitted
- October 6, 2022
- Operation
- Air carrier
- Aircraft
- N854NN
- Make and model
- Boeing 737
- Aircraft serial
- 33214
- Aircraft time
- 36,150 hours, 14,992 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Rib
- Part number
- 182A5301U4
- 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.