- Difficulty date
- February 18, 2023
- Submitted
- February 24, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36354
- Aircraft time
- 34,308 hours, 10,790 cycles
- Part
- Acm
- Part number
- 22064002
- Part serial
- 5234
- Condition
- Seized
- Location
- Left Ecs Bay
- Part time
- 55,139 hours, 16,730 cycles
- Stage of operation
- TX
- 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
LEFT PACK CAUTION LIGHT ILLUMINATED WHILE AT GATE. DUCT TEMPERATURE REACHED 40C. ACCOMPLISHED QRC. TRIP RESET ACCOMPLISHED. PACK LIGHT REMAINED ILLUMINATED . GROUNDED - YES. FOUND L/H ACM SEIZED/DAMAGED COLING FAN. REMOVED L/H AIR CYCLE MACHINE REF B737-900 AMM 21-51-04. REPLACED LEFT AFT SRADA ACTUATOR. REF AMM 21-51-27. OPS & LEAK CHECK GOOD.