What was found
CHAFED LONGERON, 3 ENG LT CORE COWL AFT LWR INNER SUPPORT. IAW SRM 51-40-02-0G, REV 106. REMOVED DAMAGE LONGERON IAW SRM 51-40-02-0G, REV 106, AND CMM IPL 71-13-23, REV. 47 INSTALLED NEW LONGERON.
- Difficulty date
- May 31, 2026
- Submitted
- June 8, 2026
- Operation
- Air carrier
- Aircraft
- N577UP
- Make and model
- Boeing 74744AF
- Aircraft serial
- 35666
- Aircraft time
- 63,511 hours, 9,924 cycles
- System (JASC)
- 5413 · Nacelle/Pylon, Longeron/Stringer
- Part
- Longeron
- Part number
- 224231023
- Condition
- Chafed
- Location
- Zone 400
- 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.