SDR ASMF201407005

Service difficulty report · Relief Valve · Boeing 73783N

Difficulty date: June 23, 2014
Submitted: July 21, 2014
Operation: Air carrier
Aircraft: N861AM
Make and model: Boeing 73783N
Aircraft serial: 30706
Aircraft time: 38,261 hours, 18,945 cycles
System (JASC): 2915 · Hydraulic Pressure Relief Valve, Main
Part: Relief Valve
Part number: 316565
Part serial: 18350G
Condition: Leaking
Location: Hydraulic Sys
Part time: 38,261 hours, 18,945 cycles
Stage of operation: IN
How discovered: O
Nature of condition: K, B
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING TRANSIT CHECK, CAPTAIN REPORTED AN ABNORMAL FUME & ODOR WITH NO EVIDENCE OF SMOKE IN CABIN CREW. PERFORMED SMOKE OR FUMES IN CABIN CONDITIONAL INSPECTION IAW MM 05-51-56, DETECTING THE LT PRESS RELIEF VLV WITH HYD LEAK. THE LT PRESS RELIEF VLV WAS REPLACED IAW AMM 29-09-05, TESTED CORRECT.

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