SDR ASAA2023102145755

Service difficulty report · Actuator · Boeing 737890

Difficulty date: October 21, 2023
Submitted: October 25, 2023
Operation: Air carrier
Aircraft: N587AS
Make and model: Boeing 737890
Aircraft serial: 35684
Aircraft time: 56,648 hours, 16,593 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Actuator
Part number: 5416744
Condition: Faulted
Location: Left Ecs Bay
Stage of operation: DE
How discovered: V
Nature of condition: J
Precautionary procedure: O

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

What was found

DURING DESCENT CHECKLIST RECALL - LEFT PACK LIGHT ILLUMINATED AND IS RESETTABLE. GROUNDED - YES. (RESOLVED ON W/O: 1974348 TASKCARD: N/R-00002 ) CONFIGURATION CHANGES REVERSED FOR MEL 21-5C. LH RAM AIR INLET ACTUATOR REMOVED AND REPLACED PER AMM 21-51-21-000-801 AND AMM 21-51-21-400-801. FIVE MIG-51A TAGS INSTALLED & REMOVED. ALL OPERATIONAL CHECKS PASS. THIS REMOVES MEL 21-5C & CN: 21049587. SEAMC DAVE NOTIFIED.