- Difficulty date
- September 22, 2022
- Submitted
- September 26, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737900ER
- Aircraft serial
- 41731
- Aircraft time
- 36,911 hours, 11,542 cycles
- Part
- Actuator
- Part number
- UNKNOWN
- Condition
- Intermittent
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L PACK LIGHT ILLUMINATES WITH MASTER CAUTION RECALL. RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED PZTC BITE CHECK, #1 CONTROLLER SHOWED FAULT FOR RAM AIR ACTUATOR. VERIFY SHOWED GREEN LIGHT. RE-ACCOMPLISHED TEST. OPS NORMAL. INTERMITTENT FAULT.