What was found
BURNING ACID SMELL IN CABIN WHEN SWITCHING FROM ENGINE BLEED TO APU BLEED. PERFORMED CONDITIONAL INSPECTION PER 05-51-56 AND IFIM 49-52-00-810-801. NO FURTHER SMELLS OR FAULTS NOTED.
- Difficulty date
- May 10, 2026
- Submitted
- May 11, 2026
- Operation
- Air carrier
- Aircraft
- N8997Q
- Make and model
- Boeing 7378
- Aircraft serial
- 67319
- Aircraft time
- 543 hours, 276 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Unknown
- Condition
- Odor
- Location
- Cabin
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.