# SDR CALA2026102320548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2026
- Submitted: October 23, 2026
- Operation: Air carrier
- Aircraft: [N224UA](https://openairdocs.org/aircraft/N224UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30225
- Aircraft time: 94,774 hours, 11,035 cycles
- Engine: Pwa PW4090
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Faulted
- 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/CALA2026102320548

## Discrepancy

EHM DATA TRENDS INDICATE GAS PATH AND PERFORMANCE SHIFTS. AT NEXT CONVENIENT OPPORTUNITY PLEASE CONDUCT TCC VIS UAL & FUNCTIONAL INSPECTIONS PER AMM 75-24-00-601. IF THERE ARE NO ABNORMAL FINDINGS,  ON ACCOMPLISHMENT, FOUND TURBINE COOLING CASE DUCTING BROKEN. INSTALL NEW DUCTING . PER AMM  75-24-12-400-802-N00. INSTALLED REMAINING BOLT ON TCC DUCT REF. 75-24-12 ACP'D IDLE EEC TEST #6 AND HIGH POWER TEST 8A REF MM 71-00-00. NO STATUS MSG'S, NO EXISTING FAULTS & #2 ENGINE TCC INDICATIONS ON EPCS MATCHED #1 ENGINE. E2 FOUND TURBINE COOLING CASE DUCTING BROKEN. INSTALLED NEW DUCTING. PER AMM 75-24-12-400-802-N00.

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