Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 116 / 903

AIRCRAFT
Time Limits and
Maintenance Checks
DV 20 E AMM
Page 6
15 Mar 2022
05-50-00
Doc # 4.02.25
Rev. 2
4. Engine Fire
WARNING: BEFORE YOU DO WORK ON THE AIRPLANE MAKE SURE THE FIRE
HAS BEEN EXTINGUISHED. LET THE ENGINE COOL AND
DISCONNECT THE BATTERY.
WARNING: FIRE CAN SERIOUSLY WEAKEN CFRP. IF YOU FIND ANY DAMAGE TO
CFRP, DO NOT OPERATE THE AIRPLANE. ASK THE MANUFACTURER
FOR ADVICE.
Detail Steps/Work Items Key Items
(1) Remove the engine cowlings. Refer to Section 71-10.
(2) Disconnect the airplane battery. Refer to Section 24-31.
(3) Examine the engine cowlings. Look specially for
signs of fire damage.
(4) Examine the electrical cables. Look specially for
signs of fire damage.
Replace damaged cables.
(5) Examine the fuel lines. Look specially for signs
of fire damage to the fire-protection sleeves.
Replace damaged fuel lines.
(6) Examine the engine oil lines. Look specially for
signs of fire damage to the fire-protection
sleeves.
Replace damaged oil lines.
(7) Examine the engine. Look specially for:
S
Damage to the engine air filter.
S
Damage to gaskets and seals.
S
Damage to the engine shock mounts.
S
Damage to the engine mount.
S
Damage to pipes/hoses.
Make a record of the damage you find
and ask the engine manufacturer for
advice before you repair or operate the
engine.
(8) Examine the fuselage. Look specially for:
S
Blisters on the paint or burn marks.
S
Disbonding of the fuselage skin from the
firewall.
If you find any damage, ask the airplane
manufacturer for advice.