# SDR CALA2026092119600

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N33103](https://openairdocs.org/aircraft/N33103), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27293
- Aircraft time: 120,729 hours, 25,920 cycles
- Engine: Rroyce RB211535E4
- Engine time: 1,210 hours, 229 cycles
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: EB100906B
- Part serial: EGL127
- Condition: Faulted
- Location: Nr 1 Engine
- Part time: 55,452 hours, 14,506 cycles
- Stage of operation: TO
- How discovered: V
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026092119600

## Discrepancy

ENGINE EXCEED ON TAKE OFF N2 INDICATE 103. MAX THRUST TAKE OF EPR 1.75. EXCEEDANCE HAPPENED IN LOW SPEED ON TAKE OFF. BELOW 80 KTS. NO HOT BRAKES. ADD EMP:U374916 EXCEED RECORDED ON #1 ENG N2 103% FOR 8 SECONDS. RR ENGINEERING REQUESTED BVCU TEST FOR #1 ENG EXCEEDANCE. BVCU REPORTS FAULT 12 FOR ALL RECORDED FLIGHT LEGS. (IP STAGE 1 BLEED VALVE SOLENOID OPEN CIRCUIT ON COIL A OR B, OR THE TWO COILS A&B). FLAGGING FOR SDR PERFORMED TEST 3 REF AMM 71-00-00-715-049-R03. BLEED VALVE WITHIN OPERATIONAL TEST LIMITS PER TABLE 502.

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