Service difficulty report · Warning Light · Boeing 737990ER
FAA SDR system
- Difficulty date
- November 17, 2018
- Submitted
- November 19, 2018
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36355
- Aircraft time
- 19,127 hours, 6,340 cycles
- Part
- Warning Light
- Condition
- False Activation
- Location
- Lt A/C Pack
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START LEFT PACK LIGHT ILLUMINATED. PERFORMED QRH PROCEDURE AND LIGHT EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. CHECKED #1 PACK/ZONE TEMP CTRLR SHOWS "TCV THIS PACK" FAULT. RESET. FAULT DID NOT RETURN. OPS/BITE CHECK SAME GOOD. REF B737-900 AMM 21-51-00. FUNCTIONAL CHECK LT PACK TCV GOOD. GND VERIFICATION GOOD.