What was found
WHILE ACCOMPLISHING TASK CARD 78349000, FOUND SIGMA SEAL DIMENSIONS OUT OF LIMITS. GROUNDED - YES. REMOVED & INSTALLED NEW APU AIR INLET SEAL. REF B737-800 AMM 49-15-11.
- Difficulty date
- December 8, 2018
- Submitted
- December 11, 2018
- Operation
- Air carrier
- Aircraft
- N538AS
- Make and model
- Boeing 737890
- Aircraft serial
- 41188
- Aircraft time
- 25,811 hours, 7,533 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Seal
- Part number
- B0E23530001
- Condition
- Out Of Limits
- Location
- Apu Air Inlet
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.