Service difficulty report · Plenum · Boeing 737890

Difficulty date
September 2, 2018
Submitted
September 4, 2018
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
38,819 hours, 11,682 cycles
Part
Plenum
Part number
22156291
Condition
Broken
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.

What was found

WHILE CLEANING HEAT EXCHANGER FOUND LEFT PRIMARY PLENUM BROKEN. GROUNDED - YES. REPLACED LEFT HEAT EXCHANGER PRIMARY PLENUM REF AMM 21-51-03-400-804-002. OPS CHECK GOOD. LEAK CHECK GOOD.