Service difficulty report · Fire Detector · Boeing 737890

Difficulty date
September 12, 2023
Submitted
September 25, 2023
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
47,742 hours, 13,964 cycles
Part
Fire Detector
Part number
90201801
Condition
Faulty
Location
#2 Engine
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

MANAGEMENT REQUEST FOR FOLLOW UP TO IN-FLIGHT OVERHEAT CONDITION ON ENGINE 2 **(PRI 2)**. GROUNDED - YES. (RESOLVED ON W/O: 1970350 TASKCARD: N/R-00002 ) PER TECH SERVICES NOTE PERFORMED AMM 26-11-01. REMOVED AND REPLACED FIRE DETECTOR LEFT CORE (M1759) AND RIGHT CORE (M1760) ON #2 ENGINE. UNABLE TO INSTALL M1757 AND M1758 DUE TO WRONG PARTS SENT AND TIMEALT DEACTIVATION PROCEDURE USED PER CHAPT 5 TABLE 3 ITEMS 1 & 7ALT DEACTIVATION PROCEDURE REVERSED REF MPM CH 5 TABLE 3 ITEMS 1 & 7 FOR MX. AT THIS TIME ENG FIRE DETECTION OPS TEST PASSED REF AMM 26-11-00TECH SERVICES OKAY TO CLEAR TSR DEFERRAL. TECH SERVICES UMESH NOTIFIED. SEAMC NOTIFIED.