- Difficulty date
- July 30, 2019
- Submitted
- July 31, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41702
- Aircraft time
- 19,910 hours, 6,533 cycles
- Part
- Link
- Part number
- 332A23415
- Condition
- Worn
- Location
- Bleed Air Duct
- 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.
What was found
WHILE ACCOMPLISHING #1 ENGINE INLET INSP T/C #78472000 FOUND WORN BLEED AIR DUCT ATTACH LINK WORN. 1ST LINK ABOVE HIGH STAGE VALVE. GROUNDED - YES. REMOVED & REPLACED WORN BLEED AIR DUCT ATTACH LINK. REF POWERPLANT BUILDUP MANUAL 71-00-02, FIG 16-1.