SDR ASAA2017051120742

Service difficulty report · Egt Indication · Boeing 737890

Difficulty date: May 11, 2017
Submitted: May 15, 2017
Operation: Air carrier
Aircraft: N570AS
Make and model: Boeing 737890
Aircraft serial: 35185
Aircraft time: 38,864 hours, 11,491 cycles
System (JASC): 7722 · Engine EGT/TIT Indicating System
Part: Egt Indication
Condition: False Indication
Stage of operation: IN
How discovered: O
Nature of condition: O
Precautionary procedure: K

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

What was found

NR 2 EEC LOGGED 73-21372. UPPER EGT SECTORS READING HIGH. ECONOMIC FAULT. ACFT GROUNDED. ACCOMPLISHED B737-800 FIM 73-11 TASK 801. FAULT IS NO LONGER ACTIVE. INITIAL READINGS: S1- 127.25, S2- 80.25, S3- 77.87, S4- 122.75. AFTER CLEANING: S1- 70.50, S2- 35.00, S3- 34.25, S4- 68.50. ACCOMPLISHED EEC TEST, REF B737-800 AMM 73-21-00-700-804-F00. TEST PASSED WITH NO EEC FAULTS NOTED.