What was found
LT PRIMARY HEAT EXCHANGER PLENUM FAILED DURING HEAT EXCHANGER WASH PER T/C 78121000 GROUNDED - YES. REMOVED AND REPLACED LT HEAT EXCHANGER PLENUM REF AMM 21-51-03.
- Difficulty date
- October 28, 2018
- Submitted
- October 29, 2018
- Operation
- Air carrier
- Aircraft
- N579AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 44,622 hours, 13,287 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Plenum
- Part number
- 22156291
- Condition
- Failed
- Location
- Ac Bay
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.