# SDR CALA2026072317962

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2026
- Submitted: July 23, 2026
- Operation: Air carrier
- Aircraft: [N496UA](https://openairdocs.org/aircraft/N496UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1845
- Aircraft time: 67,032 hours, 29,553 cycles
- Engine: Iae V2527A5
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: AC69924
- Part serial: 7357
- Condition: Faulted
- Location: Nr 1 Eng
- Part time: 66,191 hours, 28,424 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026072317962

## Discrepancy

NUMBER 1 ENG DID NOT SPOOL UP APPROPRIATELY ON TAKE OFF. REJECTED TAKE OFF, CREW STATES: FLEX TAKEOFF BEING PERFORMED. TECHS PERFORMED ACCEL & DECEL CHK OF ENG 1 IAW AMM 71-00-00-700-011-B. ENG 1 FAILED TO REACH TARGET EPR BY 1 SEC. TIME TARGET EPR IS 6.2 SECS,  RECORDED 7.2 SECS.  EXAMINED P4.9 (P5) SENSE LINE FOR BLOCKAGE & GOOD FLOW TO TURBINE EXHAUST CASE IAW AMM 73-22-51-700-801-A, TESTED GOOD.  R & R ENG 1 FUEL FILTER CHKD FOR DEBRIS IAW AMM 73-12-42/401, GOOD.  PERFORMED IDLE LEAK CHK, PASSED. DURING 7TH STAGE & 10TH STAGE BLEED VALVE CHK, FOUND STAGE 7B SOLENOID & VALVE BAD,  FOUND STAGE 10 SOLENOID BAD. R & R STAGE 7B BLEED VALVE SOLENOID, OPS CHKD GOOD, W/ TEST SET IAW AMM 75-32-51-400-010-A.  R & R 10TH STAGE BLEED VALVE SOLENOID, OPS CHKD GOOD, W/ TEST SET. PERFORMED ENG IDLE TEST NR 3, OPS CHKD GOOD, NO DEFECTS NOTED IAW AMM 71-00-00-710-012-B.

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