# SDR CALA2022010500020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2022
- Submitted: January 5, 2022
- Operation: Air carrier
- Aircraft: [N73406](https://openairdocs.org/aircraft/N73406), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30123
- Aircraft time: 56,437 hours, 23,129 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Skin
- Part number: 182A400111
- Condition: Cracked
- Location: Sta101.90
- 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/CALA2022010500020

## Discrepancy

REF FOR FLEET CYCLE...L/H HORIZONTAL STAB. LWR SKIN STA. 101.90 HAS CRACK INDICATION 14" AFT OF FRONT SPAR.(MARKED) ACCOMPLISHED SFR 1027346 -01-2R-11. 5A TABLE 204, "REPEAT INSPECTIONS 56,000 TOTAL FLIGHT FREQUENCY EDDY CURRENT INSP. PER 737 NDT PART6. 51-00-26, FIGURE CYCLES- DETAIED VISUAL INSP.9000 FLIGHT CYCLES &EXTERNAL LOW 1 REF FLEET CYCLE LP 9793313. REPAIREDL/H HORIZONTAL STAB. LOWER S KIN STA.101.90 IAW SRM 55-10-01-2R-11. INITIAT DIP PER SRM 55-10 ITEM NOT RII PER GMM-09-25-05.

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