# SDR CALA2023051701525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2023
- Submitted: May 17, 2023
- Operation: Air carrier
- Aircraft: [N53442](https://openairdocs.org/aircraft/N53442), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33536
- Aircraft time: 44,530 hours, 15,547 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: 182A4001
- Condition: Cracked
- Location: Sta.157.90
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023051701525

## Discrepancy

AFTER C-SCAN INSPECTION FOUND TWO CRACKS INDICATION ON R/H HORIZONTAL STABILIZER LOWER SKIN BETWEEN STA.157.90. INSPECTION PERFORMED PER EA 5510-01843 REV H OP-001 SCHEDULE INSPECTION. REMOVED 2 EA DAMAGE CRACK AND REPAIREDD AREA AT R/H HORIZ STAB L ON CUT-OFF AREA AND EXISTING HOLES IAW B737 NDT PART 6, 51-00-00 OWER SKIN, STA 157.90 IAW SRM 55-10-01-2R-11 THIS IS PROC 23, NO CRACKS (WORK ACCOMPLISHED CATEGORY B REPAIR REQUIRE INSPECTION EVERY 56.000 TOTAL FLIGHT CYCLES IAW SRM 55-10-01-2R-11. TABLE 204. PERFORMED NDT.

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