# SDR CALA2026062217273

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2026
- Submitted: June 24, 2026
- Operation: Air carrier
- Aircraft: [N33132](https://openairdocs.org/aircraft/N33132), registered now
- Make and model: Boeing 757224
- Aircraft serial: 29281
- Aircraft time: 97,894 hours, 21,164 cycles
- Engine: Rroyce RB211535E4B3
- System (JASC): [7300 · Engine Fuel and Control](https://openairdocs.org/jasc/7300)
- Part: Governor
- Part number: 8062564
- Part serial: 118
- Condition: Faulted
- Location: Fuel Flow
- Part time: 6 hours, 2 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026062217273

## Discrepancy

ENGINE PARAMETER MISMATCH. ENG 2 N1 MUCH HIGHER WHILE EPR WAS L ESS. ENG 2 FF HIGHER.  DUE TO PREVIOUS AIR RETURN REQUIRES FURTHER TESTING AND POSSIBLE ENG RUN. PERFORMED TEST 9 ON NR 1 AND NR 2 ENGINE IAW AMM 71-00-00-715-170-R03. BOTH ENGINES N1 N2 N3 & FUEL, FLOW ARE CLOSE TO IDENTICAL BUT EPR ON NR 2 ENG WAS 1.33. OPS ENGINE TO MAX THRUST LEVEL THRUSH KNOB WERE OFF BY 3/4.  OPS CHECKED WAS GOOD. REMOVED AND REPLACED FUEL FLOW GOVERNER IAW AMM 73-21-01, UP TO STEP J, FFG LEAK CHECKED GOOD. COMPLIED IAW LOG 9315474 ,

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.