What was found
MX PERSONEL REPORTS THAT APU ABNORMALLY NOISY. GROUNDED - YES. REMOVED AND REPLACED THE APU REF TC 78349010. OPS CHECK GOOD. LEAK CHECK GOOD.
- Difficulty date
- December 29, 2021
- Submitted
- January 4, 2022
- Operation
- Air carrier
- Aircraft
- N563AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35180
- Aircraft time
- 55,104 hours, 16,254 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Apu
- Part number
- 38007021
- Part serial
- P7992
- Condition
- Noise
- Location
- Apu Compartment
- Part time
- 13,121 hours, 19,896 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.