- Difficulty date
- July 26, 2016
- Submitted
- July 28, 2016
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 38,840 hours, 11,451 cycles
- Part
- Plenum
- Part number
- 22156292
- Condition
- Delaminated
- Location
- Heat Exchanger
- 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.
What was found
WHILE WORKING T/C 78121000, HEAT EXCHANGER CLEANING FOUND THE RT AFT PLENUM DELAMINATED MIG-2C 40-0012871, 40-0012872 INITIALIZED. ACFT GROUNDED. RT AFT HEAT EXCHANGER & PLENUM REMOVED, IAW AMM 21-51-03-000-805-002. INSTALLED NEW RH AFT PLENUM WITH HEAT EXCHANGER, IAW AMM 21-51-03-400-804-002. COMPLETED ACP STEP 3J & 3K ON TASK IAW AMM 21-51-03-400-804-002. NO LEAKS NOTED.