What was found
MAINTENANCE MESSAGE FOR APU BITE. PERFORMED A BITE CHECK, AND ECU FAULTED, EGT FAULTED, EGT NR 2 CIRCUIT. R & R THE NR 2 EGT UPPER THERMOCOUPLE IAW 49-71-01. BITE CHECK PASSED, CIRCUIT BREAKER CHECKED NORMAL.
- Difficulty date
- May 10, 2017
- Submitted
- May 11, 2017
- Operation
- Air carrier
- Aircraft
- N1217A
- Make and model
- Boeing 767375
- Aircraft serial
- 25865
- Aircraft time
- 87,103 hours, 21,981 cycles
- System (JASC)
- 4970 · APU Indicating System
- Part
- Thermocouple
- Part number
- 38760274
- Part serial
- 1215027700626
- Condition
- Failed
- Location
- Nr 2 Egt
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.