What was found
FLIGHT ATTENDANTS REPORTED A MUSTY OR MILDEW SMELL DURING FLIGHT IN THE MID-CABIN. FOUND APU COMPARTMENT CONTAMINATED WITH OIL. REPLACED APU PER AMDS W/C 4900-9901. (8655352) (AIRCRAFT GROUNDED)
- Difficulty date
- May 31, 2026
- Submitted
- June 2, 2026
- Operation
- Air carrier
- Aircraft
- N937AT
- Make and model
- Boeing 717200
- Aircraft serial
- 55091
- Aircraft time
- 56,442 hours, 41,288 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil System
- Condition
- Leaking
- Location
- Zone 100
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- K, B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.