# SDR CALA2022041400991

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2022
- Submitted: April 14, 2022
- Operation: Air carrier
- Aircraft: [N38424](https://openairdocs.org/aircraft/N38424), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 37095
- Aircraft time: 44,099 hours, 15,398 cycles
- System (JASC): [5500 · Empennage Structure](https://openairdocs.org/jasc/5500)
- Part: Rib
- Part number: NA
- Part serial: NA
- Condition: Cracked
- Location: Stab Rib 175.5
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022041400991

## Discrepancy

EA 5510-01843 REV H OPERATION 001: RH HORZ STAB AT RIB 175.50 FWD HAS CRACK INDICATION. REFER TO PEMCO N/R 12251.0392. PRIME, AND TOPCOAT ALL IAW 737-900 SRM 55-10-01-2R-11 REPAIR 11. THRESHOLD AT 56,000 FLIGHT CYCLES. CURRENT FLIGHT CYCLES 15,398 V893964. INSPECTED BY Q941. DVI AND LFEC REQUIRED AT 9,000 FLIGHT CYCLES. INSPECTION TOTAL HOURS 44,098.36. ENTERED BY V927864. WORK PERFORMED BY REMOVED CRACK DAMAGE AREA ON RH HORZ STAB AT RIB 175.50 FWD. FABRICATED AND INSTALLED FILLER AND DOUBLER, SEALED, TREATED,

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