# SDR CALA2026032414819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2026
- Submitted: March 24, 2026
- Operation: Air carrier
- Aircraft: [N17126](https://openairdocs.org/aircraft/N17126), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27566
- Aircraft time: 99,171 hours, 24,090 cycles
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Transmitter
- Part number: 7898301
- Part serial: 94020094
- Condition: Faulted
- Location: Zone 400
- Part time: 87,754 hours, 21,159 cycles
- Stage of operation: CR
- 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/CALA2026032414819

## Discrepancy

ERRONEOUS ENG INDICATION ON NUN 2 ENG. EPR READ OVER 2.0. FUEL F LOW WAS 2000 LESS THAN NR 1. SPOKE WITH FLT CREW. PHOTO OF ENGINE 2 PARAMETERS WHILE IN FLIGHT. REMOVED AND REPLACED #2 ENG EPR TRANSMITTER AND P1 FLEXIBLE LINE FOR EPR TRANSMITTER. REF AMM 77-11-01/401. EPR TRANSMITTER NEW/TESTED IN SHOP. FUNCTIONAL TEST OF EPR SYSTEM REF AMM 77-11-00-725-001-R00 NOT REQUIRED. PERFORMED P1 SYSTEM TEST WITH DPS500 TESTER. NO LEAKS NOTED ON ANY P1 LINES OR ON FLEXIBLE HOSE CONNECTION ON P1 CONNECTION ON EPR TRANSMITTER. OPS NORMAL. REF AMM TASK 77-11-00-700-909-C2 PERFORMED TEST 9 THRUST LEVER ANGLE /POWER SETTING TEST REF AMM 71-00-00-715-170-R03,OPS CHECK GOOD.

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