# SDR CALA2026090819305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2026
- Submitted: September 8, 2026
- Operation: Air carrier
- Aircraft: [N34131](https://openairdocs.org/aircraft/N34131), registered now
- Make and model: Boeing 757224
- Aircraft serial: 28971
- Aircraft time: 103,125 hours, 21,988 cycles
- Engine: Rroyce RB211535E4
- Engine time: 98,791 hours, 22,541 cycles
- System (JASC): [7323 · Turbine Governor](https://openairdocs.org/jasc/7323)
- Part: Governor
- Part number: 8062551
- Part serial: 5893
- Condition: Faulted
- Location: Nr 2 Engine
- Part time: 86,954 hours, 21,183 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/CALA2026090819305

## Discrepancy

ENGINE PARAMETERS SIGNIFICANTLY DIFFERENT IN CLIMB AND CRUISE BETWEEN NR 1 & 2 ENGINES.   REPLACEMENT OF NR 2 ENGINE FFG IAW MM-73-21-01-404-013.   R & R NR 2 ENGINE FFG IAW AMM 73-21-01. INSTALLED RIGGING PIN.  IDT INSPECTION REQUIREMENTS C/W FOR THE INSTALLATION OF NR 2 ENGINE FFG IAW AMM 73-21-01. LEAK CHK C/W, NO LEAKS NOTED.  2,9,10, AND 11, ALL PARAMETERS WITHIN LIMITS. INSTALLED FFG ON ENG #2 IAW AMM 73-21-01. LEAK CHK PASSED.   PERFORMED STEP 3J OF MM -73-21-01-404-013. LEAK CHECKS GOOD. ALL ENGINE PARAMETERS WITHIN LIMITS. (REF TEST 1, 2, 9, 10 AND 11). NEED TO CONTINUE FROM STEP K OF MM-73-21-01-404-013

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