What was found
DURING PERIODIC CHECK, FOUND CRACK IN STIFFENER FLANGE ON NR 4 PYLON BL 0, FS 157. REPAIRED PER EA 66-160980, REV A.
- Difficulty date
- September 22, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N635US
- Make and model
- Boeing 747227B
- Aircraft serial
- 21682
- System (JASC)
- 5400 · Nacelle/Pylon Structure
- Part
- Channel
- Condition
- Cracked
- Location
- Nr 4 Pylon
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.