# SDR YENA2024022800300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2024
- Submitted: February 28, 2024
- Operation: Air carrier
- Aircraft: [N2105J](https://openairdocs.org/aircraft/N2105J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 10101
- Aircraft time: 9,923 hours, 1,879 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Warning Message
- Condition: Illuminated
- Location: Cabin Air
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2024022800300

## Discrepancy

FLT#133, BOS-SFO. (ETOPS) COND TRIM AIR FAULT, COCKPIT TRIM AIR ON APPLICATION OF APU BLEED ( COCKPIT/CABIN TRIM AIR VALVES ).  PERFORMED TEMP CTL SYSTEM BITE TEST. TEST OK. OPS CHECK GOOD.

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