What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN LEFT HAND HORIZONTAL STABILIZER RIB, AT THIRD STIFFENER, AT STABILIZER STA 147.90. REPLACED RIB PER SRM 51-40-02.
- Difficulty date
- April 21, 2026
- Submitted
- April 22, 2026
- Operation
- Air carrier
- Aircraft
- N992AN
- Make and model
- Boeing 737823
- Aircraft serial
- 31071
- Aircraft time
- 49,332 hours, 21,012 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Rib
- Part number
- 182A54013
- 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.