What was found
AIRCRAFT IN BASE MAINTENANCE: LEFT HAND PYLON INTERIOR UPPER SPAR STIFFENER CRACKED AT PYLON STATION 153.90 AND NACELLE BL 0. REPAIRED SPAR STIFFENER PER EA 301259.
- Difficulty date
- January 17, 2020
- Submitted
- January 23, 2020
- Operation
- Air carrier
- Aircraft
- N177AN
- Make and model
- Boeing 757223
- Aircraft serial
- 32396
- Aircraft time
- 58,822 hours, 16,333 cycles
- System (JASC)
- 5420 · Nacelle/Pylon Miscellaneous Structure
- Part
- Stiffener
- Part number
- 311N504017
- Condition
- Cracked
- Location
- Lt Nacelle
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.