SDR UIEA2020092902125

Service difficulty report · Warning Message · Boeing 76731B

Difficulty date: September 28, 2020
Submitted: September 29, 2020
Operation: Air carrier
Aircraft: N1361A
Make and model: Boeing 76731B
Aircraft serial: 26265
Aircraft time: 92,683 hours, 20,420 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Warning Message
Condition: False Indication
Location: Lt Engine Bleed
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

LT ENG BLEED OFF EICAS AND ASSOCIATED DISCREET LIGHT INTERMITTENT ON ARRIVAL. TRANSFERRED TO MDDR 135160, REF DDG 36-11-01-02A, DUE 08OCT20 RS-2238. PERFORMED OPERATIONS CHECK AND TEST OF AIR SUPPY DISTRIBUTION SYSTEM, PER AMM 36-11-00-715-149. VERIFIED SYSTEM IS OK. INSPECTION OF PRSOV AND FAMV AND SENSE LINES OK. ENG RUN, PER AMM 71-00-00, FOUND NO FAULTS. AIR SUPPLY BITE MODULE SHOWS, NO FAULTS. AIR SUPPY BITE MODULE SHOWS NO FAULTS AT THIS TIME. THIS CLEARS MDDR 135160.

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