# SDR AALA202609233863

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2026
- Submitted: September 24, 2026
- Operation: Air carrier
- Aircraft: [N810NN](https://openairdocs.org/aircraft/N810NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33207
- Aircraft time: 50,250 hours, 21,326 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 186A1001
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202609233863

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: LEFT HORIZONTAL STABILIZER - LEADING EDGE PANEL HAS A CRACKED RIB AT LE STA 291.21.   REMOVED AND REPLACED THE CRACKED RIB AT STA 291.21 WITH A NEW SERVICEABLE RIB IAW AARD 51-00-05-1 PAR 1 AND BOEING DRAWING 186A1001.

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