SDR ASAA2014090609066

Service difficulty report · Probe · Boeing 737890

Difficulty date: September 6, 2014
Submitted: September 10, 2014
Operation: Air carrier
Aircraft: N577AS
Make and model: Boeing 737890
Aircraft serial: 35186
Aircraft time: 28,618 hours, 8,598 cycles
Engine: Cfmint CFM567B27
System (JASC): 7720 · Engine Temperature Indicating System
Part: Probe
Part number: TC29604
Condition: Out Of Tolerance
Location: Nr 2 Engine
Stage of operation: IN
How discovered: 9
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

FOUND ECONOMIC FAULT 77-20872 TOP LT EGT SIGNAL, T495S4 IS OUT OF RANGE ON NR 2 ENGINE. ACFT GROUNDED. R & R TOP LT T495.S4 PROBE REF AMM 77-21-01. ALSO CLEANED CONNECTORS J9, J10, DP0909, DP1010 AND DP1013 REF AMM 77-21-00. OPS CK GOOD REF AMM 71-00-00-800-811-FOO.