- Difficulty date
- November 28, 2019
- Submitted
- December 9, 2019
- Operation
- Air carrier
- Make and model
- Boeing 76731K
- Aircraft serial
- 28865
- Aircraft time
- 86,419 hours, 17,598 cycles
- Part
- Pin
- Part number
- M3902932260
- Condition
- Broken
- Location
- A/C Pack Temp
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- 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 AUTO TEMP CONTROLLER INOPERATIVE, FAILED LOW LIMIT VALVE BITE. STANDBY CONTROLLER BITE CHECKED GOOD. T/S PER WDM 21-51-14. FOUND PIN 21 ON D1432P BROKEN AND SHORTED. REPLACED THE PIN IAW SWPM 20-61-00. OPS CHECKED IAW AMM 21-51-00. NO DEFECTS NOTED.