What was found
DURING CLIMB AND CRUISE DUCT PRESSURE SPLIT GREATER THAN 15 PSI APPROXIMATELY LT 42, RT 25. ACFT GROUNDED. R & R NR 2 ENGINE PRECOOLER VALVE SENSOR IAW AMM 36-12-03. R & R TEMP SENSOR IAW AMM 36-11-08. LEAK AND OPS CHECKED GOOD.
- Difficulty date
- October 13, 2015
- Submitted
- October 13, 2015
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 29,079 hours, 8,960 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Precooler
- Part number
- 1296663
- Part serial
- 17571
- Condition
- Failed
- Location
- Nr 2 Engine
- Part time
- 12,572 hours, 3,747 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.