What was found
R/H PRIMARY HEAT EXCHANGER PLENUM DELAMINATED. GROUNDED - YES. REMOVED RH PRIMARY HEAT EXCHANGER PLUMUM IAW AMM 21-51-03 RMOLINS 59289. INSTALLED NEW RH PRIMARY HEAT EXCHANGER PLUMUM PER AMM 21-51-03-400-804. LEAK AND OPS TEST GOOD.
- Difficulty date
- August 2, 2023
- Submitted
- August 3, 2023
- Operation
- Air carrier
- Aircraft
- N517AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35197
- Aircraft time
- 52,656 hours, 15,380 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Plenum
- Part number
- 22156292
- Condition
- Delaminated
- Location
- Right Ecs 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.