What was found
PRIMARY AND SECONDARY HEAT EXCHANGER CLEANING. LT PRIMARY (AFT) PLENUM BLEW AND SEPARATED IN SERVERAL PLACES. ACFT GROUNDED. REPLACED LT PRIMARY HEAT EXCHANGER PLENUM, IAW MM 21-51-03. LEAK AND OPS CHECK GOOD.
- Difficulty date
- December 17, 2014
- Submitted
- December 19, 2014
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 25,920 hours, 8,014 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Plenum
- Part number
- 22156291
- Condition
- Failed
- Location
- Lt A/C Pack
- 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.