- Difficulty date
- July 29, 2021
- Submitted
- August 3, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 28,999 hours, 9,320 cycles
- Part
- Actuator
- Part number
- 676000141
- Part serial
- 676000141532
- Condition
- Faulted
- Location
- Lt Ram Air Inlet
- Part time
- 23,762 hours, 7,592 cycles
- Stage of operation
- DE
- How discovered
- O
- 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
DESCENDING THROUGH 18,000 FT LEFT PACK LIGHT ON COMPLETED QRH PROCEDURE. GROUNDED - YES. PERFORMED PZTC BITE REF B737-900 AMM 21-51-00-700-803, FOUND L/H SRADA INLET FAULT LOGGED, RESET FAULT WITH NO HELP. R/R RAM AIR INLET ACTUATOR REF B737-900 AMM 21-51-21 OPS CHK GOOD. GROUND VERIFICATION SUCCESSFUL.