# SDR CALA2026083119091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2026
- Submitted: August 31, 2026
- Operation: Air carrier
- Aircraft: [N14231](https://openairdocs.org/aircraft/N14231), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28795
- Aircraft time: 82,651 hours, 31,116 cycles
- System (JASC): [5532 · Vertical Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5532)
- Part: Skin
- Part number: 176A30101
- Condition: Damaged
- 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/CALA2026083119091

## Discrepancy

TWO RIVETS ON LT LOWER VERTICAL STAB SKIN ARE PULLING THROUGH.   PERFORMED PART 1 INTERIM REPAIR STEPS 1 AND 2, REMOVED FASTENERS & VISUAL INSPECTED AREA. IAW EC/RA 5530-02054 STEP 1 INTERIM REPAIR STEPS 3 AND 4,   PERFORMED HFEC HOLE PROBE INSPECTION  IAW NDT MANUAL PART 6 51-00-00 PROCEDURE 16 AND AND HFEC COUNTERSINK INSPECTION OF THE OPEN HOLES REF NDT MANUAL PART 6 53-30-00 PROCEDURE 3 AND ECRA 5530-02054. NO DEFECTS NOTED. REF ECRA 5530-02054 PART 1 INTERIM REPAIR STEP 5,  INSTALLED CR3212-5-() IN HOLES. REF ECRA 5530-02054 PART 1 INTERIM REPAIR STEP 6.  ACCOMPLISH INSPECTION REQUIREMENTS PER PART 2 EVERY 30 CALENDAR DAYS. ACCOMPLISH A PERMANENT REPAIR IAW PART 3.

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