What was found
WHILE ACCOMPLISHING TASK CARD 744-54-0004 FOUND NR 4 ENGINE PYLON AFT LOWER WEB "T" ANGLES, DETERIORATED HI LOCK COLLARS WITH CORROSION. REPAIRED PER VT-SAA EA 747-5461-56-A8526 REV I/R.
- Difficulty date
- August 14, 2020
- Submitted
- October 15, 2020
- Operation
- Air carrier
- Aircraft
- N756CA
- Make and model
- Boeing 747412
- Aircraft serial
- 26547
- Aircraft time
- 82,338 hours, 13,417 cycles
- System (JASC)
- 5420 · Nacelle/Pylon Miscellaneous Structure
- Part
- Angle
- Part number
- 321U457211
- Part serial
- NONE
- Condition
- Corroded
- Location
- Nr 4 Nacelle
- 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.