What was found
ON DEPARTURE BLEED AIR DUCT PRESSURE OSCILLATED BETWEEN 20 AND 40PSI. LT NEEDLE APPEARED TO BE CHASING RT WITH NEVER MORE THAN 10 PSI SEP. REPLACED NR 2 ENGINE BLEED AIR REGULATOR. BLEED AIR SYSYTEM, OP CHECKS NORMAL.
- Difficulty date
- February 3, 2008
- Submitted
- February 4, 2008
- Operation
- Air carrier
- Aircraft
- N579AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 3,656 hours, 1,122 cycles
- System (JASC)
- 7500 · Engine Bleed Air System
- Part
- Regulator
- Part number
- 1074926
- Condition
- Faulty
- Location
- Bleed Air
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.