# SDR ASAA2024041949891

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2024
- Submitted: May 28, 2024
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 56,824 hours, 16,876 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 1B2A400112
- 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/ASAA2024041949891

## Discrepancy

RIGHT HORIZONTAL STABILIZER LOWER SKIN IS CRACKED AT STAB. STA. 101.90 RIB LOCATED 9" FROM THE REAR SPAR. APPROX. 1.250" IN LENGTH. (MARKED AND IDENTIFIED END OF CRACK). GROUNDED - YES. REPAIRED RIGHT HORIZONTAL STAB LOWER SKIN CRACKS 2EA. IAW B737-800 SRM 55-10-01-2R-11. USING MAT: 2024-T3 ALUMINUM. THIS IS A CATEGORY B REPAIR, INSPECTION THRESHOLD: 56,000 FLIGHT CYCLES. 9,000 INTERVAL.

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