- Difficulty date
- August 16, 2023
- Submitted
- August 21, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 43393
- Aircraft time
- 4,259 hours, 1,293 cycles
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 10159
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 51,520 hours, 16,199 cycles
- 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
MAINT LIGHT ILLUMINATED ON OVERHEAD PANEL. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 21-51-00-810-817. PERFORMED A/C IBIT LEFT GROUND TEST. FAULT 21-55090 DISPLAYED. RECOMMEND. R&R LEFT PACK TEMP CONTROL REF B737-9 AMM 21-51-10-100-801/400-801. IBIT TEST PASSED. LEAK CHECK GOOD.