What was found
APU COMPARTMENT FWD FIRE WALL 7 O'CLOCK POS CRACK FOUND AT 2 LOCATION. APU COMPARTMENT FWD FIRE WALL STA 2658 APU FIREWALL WEB AND STIFFENER CRACK AREA REPAIRED IAW RI-53-83-16041 REV.A .
- Difficulty date
- January 30, 2023
- Submitted
- January 31, 2023
- Operation
- Air carrier
- Aircraft
- N492MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29253
- Aircraft time
- 100,998 hours, 17,360 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Firewall
- Condition
- Cracked
- Location
- Apu Bay
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.