# SDR CALA2026042715727

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2026
- Submitted: April 27, 2026
- Operation: Air carrier
- Aircraft: [N78285](https://openairdocs.org/aircraft/N78285), registered now
- Make and model: Boeing 737824
- Aircraft serial: 33452
- Aircraft time: 68,246 hours, 25,314 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Stiffener
- 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/CALA2026042715727

## Discrepancy

EA5510-01843 REV. J.  CRACK. LEFT HORIZONTAL STAB STA 92,7 INBOARD SIDE OF RIB  #1 HAD EVIDENCE OF CRACK AT VERTICAL STIFFINER #2 TRANSITION RADIO. REF AAR NR 100015416. REPAIRED STIFFENER NO. 2 AT L/H HORIZONTAL STAB STA 92.7 RIB #1 AS PER SRM 55-10-09-2R-5. WORK ACCOMPLISHED BY V929396. SR INFORMATION UPDATED. REPAIRED STIFFENER NO. 2 AT L/H HORIZONTAL STAB STA 92.7 RIB #1 AS PER SRM 55-10-09-2R-5. ESFR ENTRY ACCOMPLISHED, NO DIP ENTRY REQUIRED. WORK ACCOMPLISHED BY V929396 INS-201

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