What was found
CREW REPORTED ON CLIMB, NR 2 ENGINE NACELLE TEMP WENT TO 9.0. AFTER RETARDING THROTTLES, TEMP STABILIZED. REPLACED NR 2 ENGINE RELIEF VALVE; APPARENT SPRING FAILURE. OPS NORMAL.
- Difficulty date
- March 30, 2006
- Submitted
- April 4, 2006
- Operation
- Air carrier
- Aircraft
- N508MC
- Make and model
- Boeing 747230B
- Aircraft serial
- 21644
- Aircraft time
- 100,032 hours, 18,599 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Relief Valve
- Part number
- 3206254
- Part serial
- 565
- Condition
- Failed
- Location
- Nr 2 Nacelle
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- M, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.