Service difficulty report · Transmitter · Boeing 757224

Difficulty date
March 22, 2026
Submitted
March 24, 2026
Operation
Air carrier
Aircraft
N17126
Make and model
Boeing 757224
Aircraft serial
27566
Aircraft time
99,171 hours, 24,090 cycles
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.