# SDR CALA2026072718055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2026
- Submitted: July 28, 2026
- Operation: Air carrier
- Aircraft: [N39297](https://openairdocs.org/aircraft/N39297), registered now
- Make and model: Boeing 737824
- Aircraft serial: 34003
- Aircraft time: 59,381 hours, 21,864 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 182A53011
- 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/CALA2026072718055

## Discrepancy

CRACK AT LEFT HORIZONTAL STAB RIB BS 92.70, STIFFENER NR 3.   PERFORMED SRM 55-10-09-2R-4 RIB REPAIR AT  LEFT HORIZONTAL STAB RIB STA 92.70 STIFFENER NR 3 IAW AMM 51-21-11-150-801, AND SRM 51-40-02-0G-0 55-10-09-2R-4 AMM 51-21-41-370-803 AND AMM 51-21-72-370-804 DRAWING #182A3001 AMM 51-21-73-370-803.

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