Service difficulty report · Air Filter · Boeing 737724

Difficulty date
July 29, 2022
Submitted
July 29, 2022
Operation
Air carrier
Aircraft
N16703
Make and model
Boeing 737724
Aircraft serial
28764
Aircraft time
75,662 hours, 27,092 cycles
Part
Air Filter
Part number
NA
Condition
Odor
Location
Left Pack
Stage of operation
TO
How discovered
O
Nature of condition
B
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

VERY STRONG ODOR FROM THE LEFT PACK ON TAKEOFF POSIBLE OIL THRU COMPRSR NOT FUEL CONTACTED PLANNING IN EWR AND THEY SAID THAT #1 ENG HAD A REMOVED AND REPLACED RECIRCULATION AIR FILTER AS PER AMM FOLLOWED AMM TASK 05-51-26-800-C1 PER TOMC REQUEST. PERFORMED COMPRESSOR WASH IN MEX. 21-25-01/401. ALSO INSPECTED FILTER DUCT/HOUSING, NO EVIDENCE OF STEPS UPTO AND INCLUDING 1 C (2)(D). NO FAULTS FOUND. STEP OIL OR FOREIGN MATTER. 1C(2)(E) TO COMPLETION REQUIRED. (START APU). PERFORMED AMM 05-51-26-800-801-C1 STEP 1C(2)(E) TO COMPLETION. ENGINE BLEEDS OR APU BLEED AS SOURCE. AIRCRAFT OK FOR SERVICE. "BURN OUT" HAS BEEN ACCOMPLISHED WITH NO ODOR AFTER RECIRC FILTER CHANGE. AIRCRAFT INSPECTIONS HAVE BEEN ACCOMPLISHED PER REQUIREMENTS OF AMM 05-51-26. NO ODOR PRESENT FROM PACK WITH