Service difficulty report · Flange · Boeing 73776N

Difficulty date
January 22, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N7885A
Make and model
Boeing 73776N
Aircraft serial
33379
Aircraft time
62,518 hours, 31,343 cycles
Part
Flange
Condition
Broken
Location
Zn 400 Nacelle/P
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.

What was found

#1 ENGINE PYLON OUTBOARD AFT FIRE SEAL CLIP HORIZONTAL FLANGE IS BROKEN<[01] REMOVED #1 ENGINE PYLON O/B AFT FIRE SEAL CLIP AND FIRE SEAL BRACKET COMMON TO THE CLIP IAW SRM 51-40-02-0G-0.;[02] CERTIFIED ACTION 1;[03] UPDATED PARTS REMOVED / INSTALLED;[04] INSTALLED NEW OUTBOARD AFT FIRE SEAL CLIP BRACKET ON THE # 1 ENGINE PYLON HORIZONTAL FLANGE. IAW SRM 51-40-02-0G-0 AND USED IPC 54-54-00-03 FOR HARDWARE VERIFICATION PURPOSE ONLY.;[05] VERIFIED CORRECTIVE ACTION 3 AND 4

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