# SDR CALA2026033014891

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2026
- Submitted: March 30, 2026
- Operation: Air carrier
- Aircraft: [N53441](https://openairdocs.org/aircraft/N53441), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 30131
- Aircraft time: 52,435 hours, 18,701 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 182A53013
- 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/CALA2026033014891

## Discrepancy

LEFT HORIZ STAB AT STAB STA 92.70 INBD SIDE OF RIB HAD ONE CRACK IN THE NR 2 VERTICAL STIFFINER LOWER TRANSITION RADIUS.  CUT AND REMOVED DAMAGE FROM THE VERTICAL STIFFNER IAW SRM 55-10-09-2R-4.  ACCOMPLISHED SURFACE HFEC INSP IAW NTM 51-00-00 PROCEDURE 23, FABBED REPAIR PARTS -1 T-SECTION, -2 ANGLE AND -3 SHIM IAW  SRM 55-10-09-2R-4. ALODINE AND PRIMED REPAIR PARTS IAW SRM 51-20-01. INSTALLED REPAIR PARTS IAW SRM 55-10-09-2R-4.

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