SDR MYWA110083

Service difficulty report · Bleed Air Sys · Boeing 7378Q8

Difficulty date: August 8, 2011
Submitted: August 10, 2011
Operation: Air carrier
Aircraft: N734MA
Make and model: Boeing 7378Q8
Aircraft serial: 30039
Aircraft time: 28,887 hours, 10,349 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Bleed Air Sys
Condition: Malfunctioned
Location: Right
Stage of operation: CR
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.

What was found

ETOPS SIGNIFICANT SYSTEM: IN CLIMB (30,000) RIGHT DUCT PRESSURE SHOWS 45 PSI LEFT DUCT PRESSURE SHOWS 25 PSI. INSPECTED NR 1 ENG BLEED AIR SYSTEM IAW AMM 36-11-00. FOUND NO DEFECTS. PERFORMED ENGINE POWER RUN UP IAW AMM 71-00-00. NO DEFECTS NOTED.

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