Service difficulty report · Transmitter · Boeing 757224

Difficulty date
March 15, 2025
Submitted
March 18, 2025
Operation
Air carrier
Aircraft
N12109
Make and model
Boeing 757224
Aircraft serial
27299
Aircraft time
112,808 hours, 26,284 cycles
Part
Transmitter
Part number
7898301
Part serial
03049929
Condition
Faulted
Location
Nr 2 Engine
Part time
71,640 hours, 16,653 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

LOW SPEED REJECT FOR LOSS OF DIGITAL EPR INDICATIONS AND LOSS OF AUTOTHROTTLE E2TOMC APPROVES THE MEL 7711F FOR THE E2 LOW SPEED REJECT FOR LOSS OF DIGITAL EPR INDICATIONS AND LOSS OF AUTOTHROTTLE E2. DDP ACCOMPLISHED WITH THE CREWS ASSISTANCE. DOWNGRADED ACFT TO AUTOLAND LIMIT LAND 2,SRF4730 PLACARD INSTALLED SUSPECT BAD EPR TRANSMITTER INSTALLED DURING PREVIOUS FAULT OCCURRENCE. SCEPTRE SHOWS HISTORY OF THIS COMPONENT BEING INSTALLED AND REMOVED IN SHORT PERIODS OF TIME. SUGGEST REPLACEMENT. NO TIME TO CHANGE. REF AMM 77-11-01-404-007-R00. PART ADDED TO M/L. REMOVED AND REPLACED ENG 2 EPR TRANSMITTER IAW AMM 77-11-01. NOT ENOUGH TIME TO COMPLETE INSTALLATION TEST. REMOVED AND REPLACED E2 EPR TRANSMITTER REF TASK 77-11-01-004-001-R00 / TASK 77-11-01-404-007-R00, RAN ENGINE 2 FOR 5 MINUTES, EPR OPS GOOD PLACARD REMOVED.