What was found
DURING MAINTENANCE ON APU, EVIDENCE OF OIL LEAK FROM FILLER CAP. FOUND FILLER CAP "O" RING DAMAGED.(<P>REMOVED AND REPLACED FILLER CAP "O" RING IAW AMM 20-10-19. RAN APU AND CHECKED FOR OIL LEAKS, NO LEAKS NOTED AT THIS TIME.</P>)
- Difficulty date
- November 28, 2019
- Submitted
- December 2, 2019
- Operation
- Air carrier
- Aircraft
- N1427A
- Make and model
- Boeing 767306
- Aircraft serial
- 28098
- Aircraft time
- 80,280 hours, 17,244 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- O-Ring
- Part number
- M832481226
- Part serial
- NSN
- Condition
- Damaged
- Location
- Oil Filler Cap
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.