SDR UIEA2020102102280

Service difficulty report · Fire Detector · Boeing 76736N

Difficulty date: October 20, 2020
Submitted: October 23, 2020
Operation: Air carrier
Aircraft: N1093A
Make and model: Boeing 76736N
Aircraft serial: 30111
Aircraft time: 82,517 hours, 12,031 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Detector
Part number: 901906
Part serial: 1269
Condition: Inoperative
Location: Lt Engine
Stage of operation: NR
How discovered: V
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

LT ENGINE FIRE LOOP NR 2 INOPERABLE ENGINE FIRE DETECTION SYSTEMS, DETECTION LOOPS (ER RESTRICTED 120). TRANSFERRED TO MDDR 136490. 22OCT2020, LOG 1274401, ITEM 4, CVG. REMOVED AND REPLACED LT ENGINE UPPER AFT FIREWALL FIRE DETECTOR, IAW AMM 36-11-02. OPERATIONS TEST GOOD. THIS CLEARS MDDR 136490. PLACARDS REMOVED. MCC NOTIFIED. LEON DISPATCH EH 1527A.

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