What was found
ETOPS SIGNIFICANT SYSTEM: DUCT PRESSURE ON RIGHT SIDE SHOWS 20 PSI BELOW LEFT DUCT ON CLIMB + CRUISE. CHECKED THE DUCT PRESSURE ON GROUND OPS CHECKS NORMAL PER FIM 36-10 TASK 807.
- Difficulty date
- June 11, 2011
- Submitted
- June 14, 2011
- Operation
- Air carrier
- Aircraft
- N739MA
- Make and model
- Boeing 7378Q8
- Aircraft serial
- 30670
- Aircraft time
- 16,766 hours, 6,510 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Bleed Air Sys
- 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.