- Difficulty date
- August 21, 2011
- Submitted
- August 23, 2011
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 16,307 hours, 5,094 cycles
- Part
- Connector
- Part number
- TC29603
- Condition
- Dirty
- Location
- Nr 2 Engine
- 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
GE DIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA SHOWS A SUDDEN SHIFT IN DELTA EGT. ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. PRE-CLEANING READINGS: S1 156.73 S2 98.49 S3 91.71 S4 151.13. CLEANED CONNECTORS DP0901 DP0911 DP0912 DP0913 DP1001 DP1011 DP12012 DP 1013. AFTER CLEANING READINGS: S1 60.89 S2 32.11 S3 31.79 S4 59.96. REF AMM 77 21 00 201.