- Difficulty date
- October 8, 2021
- Submitted
- October 19, 2021
- Operation
- Air carrier
- Make and model
- Boeing 767375
- Aircraft serial
- 24086
- Part
- Apu
- Part number
- 38002981
- Part serial
- P2698
- Condition
- None
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- P
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU DUCT PRESS SURGING WHEN PNEUMATIC LOAD APPLIED TO APU(<P>PERFORMED FIM 49-11 FT. 976 TO BLOCK 8. ISSUE STILL REMAINS. TRANSFERRED TO DMI 154796 IAW DDG 36-11-04. PLACARD INSTALLED AND MX ACTIONS ACCOMPLISHED.</P> / <P>18OCT- CVG MX: LP 1387361, ITEM M15: REMOVED AND REPLACED APU IAW AMM 49-11-01, OPS CHECK OK.</P>)