What was found
WHILE ACCOMPLISHING TASK CARD 78349000, FOUND APU AIR INLET SIGMA SEAL DIMENSION OUT OF LIMITS. GROUNDED - YES. REMOVED AND REPLACED SIGMA SEAL REF B737-800 AMM 49-15-11-400-801.
- Difficulty date
- April 14, 2019
- Submitted
- April 15, 2019
- Operation
- Air carrier
- Aircraft
- N516AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39044
- Aircraft time
- 39,260 hours, 11,846 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Seal
- Part number
- B0E23530001SD
- Condition
- Out Of Limits
- Location
- Apu Air Inlet
- 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.