What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN LEFT HAND HORIZONTAL STABILIZER IN SPAR RIB, AT STABILIZER STA 92.70, AT THIRD STIFFENER AFT OF THE FORWARD SPAR. REPLACED RIB PER AARD 51-00-05-1.
- Difficulty date
- August 25, 2025
- Submitted
- September 8, 2025
- Operation
- Air carrier
- Aircraft
- N973AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29548
- Aircraft time
- 68,467 hours, 28,925 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- 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.