# SDR CALA2026021113700

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2026
- Submitted: February 11, 2026
- Operation: Air carrier
- Aircraft: [N793UA](https://openairdocs.org/aircraft/N793UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26946
- Aircraft time: 114,233 hours, 15,074 cycles
- Engine: Pwa PW4090
- Engine time: 505 hours, 49 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: C, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026021113700

## Discrepancy

RIGHT ENGINE COMPRESSOR STALL ON APPROACH.  IAW AMM 72-00-00, REV 106.  ON ARRIVAL FOUND NR 2  ENGINE WITH THE LOW PRESSURE COMPRESSOR EXIT FAIRING COMPLETELY DETACHED AND STUCK ON THE BYPASS GUIDE VAINS.  IAW AMM 72-00-00 REV106 ALL FAN BLADES TRAILING EDGE SIDE FOUND DAMAGED BY THE FOB.   IAW AMM 72-00-00, REV 106 AFTER INSPECTION FOUND PARTICLES OF THE FOD INGESTED IN THE ENGINE CORE.  IAW AMM 78-31-00 REV 106 FOUND ON LT THRUST REVERSE DAMAGE FROM FOD AT 8 O`CLOCK DIMENSIONS 20MM X 14MM & 9 O`CLOCK DIMENSIONS 10MM X 10MM.

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