What was found
NR 4 NACELLE FIREWALL LOWER SURFACE CRACKED IN THE FAIRING SUPPORT ANGLE. REMOVED AND REPLACED NR 4 NACELLE IAW SRM 51-40-02.
- Difficulty date
- January 29, 2017
- Submitted
- February 18, 2017
- Operation
- Air carrier
- Aircraft
- N919CA
- Make and model
- Boeing 747428
- Aircraft serial
- 25302
- Aircraft time
- 89,251 hours, 13,055 cycles
- System (JASC)
- 5420 · Nacelle/Pylon Miscellaneous Structure
- Part
- Angle
- Part number
- 311U2570193
- Condition
- Cracked
- Location
- Nr 4 Nacelle
- Part time
- 89,251 hours, 13,055 cycles
- 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.