SDR UIEA2019081965203

Service difficulty report · Ecs · Boeing 76736N

Difficulty date: August 16, 2019
Submitted: August 19, 2019
Operation: Air carrier
Aircraft: N1093A
Make and model: Boeing 76736N
Aircraft serial: 30111
Aircraft time: 79,802 hours, 11,101 cycles
System (JASC): 2100 · Air Conditioning System
Part: Ecs
Condition: Contaminated
Stage of operation: CL
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

AFTER START, A FAINT DIRTY SOCK SMELL WAS DETECTED BUT EBBED. DURING TAKEOFF, THRU FL 250, ODOR RETURNED AND INTENSIFIED. SUSPECT PARTICLIZED ENG OIL ENTERING BLEED SYSTEM. PERFORMED TASK B767 AMM 05-51-56 AND 21-00-21-102-030, REMOVAL OF OIL CONTAMINATION FROM AIR CONDITIONING AND PNEUMATIC SYSTEMS. COULD NOT DUPLICATE DISCREPANCY. A/C OK FOR SERVICE.

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