What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON RUDDER BALANCE ARM BETWEEN RUDDER STA 160 AND STA 170. REPLACED ARM PER CMM 55-40-09.
- Difficulty date
- May 12, 2026
- Submitted
- May 17, 2026
- Operation
- Air carrier
- Aircraft
- N992AN
- Make and model
- Boeing 737823
- Aircraft serial
- 31071
- Aircraft time
- 49,332 hours, 21,012 cycles
- System (JASC)
- 5540 · Rudder Structure
- Part
- Arm
- Part number
- 173A51013
- Condition
- Corroded
- 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.