# SDR CALA2021030300255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2021
- Submitted: March 3, 2021
- Operation: Air carrier
- Aircraft: [N77295](https://openairdocs.org/aircraft/N77295), registered now
- Make and model: Boeing 737824
- Aircraft serial: 34001
- Aircraft time: 47,098 hours, 16,632 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Condition: Cracked
- Location: Horizontal Stab
- 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/CALA2021030300255

## Discrepancy

REF EA 5510-01843 REV G OP 2 STEP 3.2 VERTICAL STIFFENER NO 2 ST A 92.70INBD SIDE L/H HORIZONTAL STAB CRACKED ST LOWER TRANITION RADIUS. COMPLETED REPAIR OF L/H HORIZONTAL STAB STA 92.7 INTERNAL VERTIC AL STIFFENER #2 BY FABRICATING DRILLING DEBURRING TREATING PRIMI NG AND INSTALLING REPAIR PARTS REF SRM 55-10-09 REPAIR 4 STEP 4 E THROUGH R

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