HEADQUARTERS 486TH BOMB GROUP (H) APO 559
24 December 1944
Mission of 23 December 1944
MECHANICAL FAILURES OCCURRING DURING THE MISSION BUT NOT CAUSING AIRCRAFT TO RETURN EARLY.
Section-1 Engineering Failures:
A.C.S.N.	Malfunction	Corrective Action

43-37942	#3 Oil temp. gage out.	Replaced.
43-37835	#3 Generator out.	Replaced.
43-37937	#2 Cylinder head gage out.	Replaced.
44-6616	Flaps creep at altitude.	Limit switches adjusted.
43-38648	Gyro compass precesses excessively.	Replaced
43-37899	#3 Turbo fluctuates at alt.	Turbo gov. replaced.
43-38859	#3 Cylinder head temp. gage out.	Replaced
43-38001	Pilots altimeter inaccurate.	Replaced.
43-37800	#2 Turbo inoperative.	Replaced. Exhaust stack
		segments replaced.
44-8035	Navigator's mike out.	Repaired.
43-37943	Left waist interphone out.	Repaired.
44-8132	Navigator's mike switch out.	Repaired.
43-37970	Pilot's mike switch out.	Repaired.
	Gee box inoperative.	Repaired.
44-8002	#4 Carbuerator Temp. gage out.	Repaired.
44-6312	Direction gyro out.	Replaced.
	#4 Tach fluctuates.	Repaired.
43-38149	#2 Cylinder head temp out.	Repaired.
Flimsy

HEADQUARTERS 486TH BOMB GROUP (H)
APO 559

AIRCRAFT NOT ATTACKING REPORT

4TH BOMB WING

PART I - TABULAR SUMMARY

DATE RENDERED: 24 December 1944

DATE OF MSSN. 23 December 1944

STRATEGICAL MISSION

( ) Indicated PFF a/c * A/C #937 of "C" Sq bombed with "B" Sq.

PART II - REASONS WHY AIRCRAFT DID NOT ATTACK OR FAILED TO TAKE-OFF:

Combat Squadron	ACSN	Cate- gory	Reasons for Failure & Corrective Action	Sortie (Yes-No)
"A" Sq	42-98001	B	Bombardier failed to position collar on bomb release handle.	Yes
"B" Sq	43-37954	F	Propeller failure - #1 & #2 props ran away. Governor changed.	No
"C" Sq	42-38194	F	Engine Failure - oil loss from #1 engine. Investigation and flight check in progress.	No

		REMARKS
		PFF A/C #44-8073 - Lead of "A" Sq. PFF A/C #44-8002 - Lead of "B" Sq. PFF A/C #44-8132 - Lead of "C" Sq. PFF A/C #44-8035 - Lead of Chaff A/C