Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
July 3, 2021
Submitted
August 9, 2021
Operation
Air carrier
Aircraft
N295WN
Make and model
Boeing 7377H4
Aircraft serial
32541
Aircraft time
46,030 hours, 27,458 cycles
Part
Fitting
Condition
Damaged
Location
Nr 1 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.

What was found

#1 ENGINE AFT O/B PYLON FITTING HAS DAMAGE FROM MAKING CONTACT WITH AFT UPPER METAL FIRE SEAL ON O/B T/R.(MARKED) ; / [01] REMOVED DAMAGE ON #1 ENGINE AFT O/B GSE BOOTSTRAP FITTING.MEASURING 1INCH DOWN FROM TOP OF STRUT BOX TO FORWARD O/B FLANGE EDGE OF FITTING AFTER BLEND OUT DEPTH FOUND TO BE .040 DEEP.; [02] REMOVED DAMAGE ON #1 ENGINE AFT O/B GSE BOOTSTRAP FITTING.MEASURING 1INCH DOWN FROM TOP OF STRUT BOX TO FORWARD O/B FLANGE EDGE OF FITTING AFTER BLEND OUT DEPTH FOUND TO BE .040 DEEP. OUT OF LIMITS PER SRM 54-50-90-1A2 FIG.103-A; [03] EA 21-154-01910 SUMMARY ISSUED AS SUBTASK TO THIS FAULT.; [04] REPAIRED #1 ENGINE AFT O/B PYLON BOOTSTRAP FITTING NEAR O/B T/R PER EA 21-154-01910. SEE EA FOR INDIVIDUAL WORK ACCOMPLISHED.; [05] VERIFIED REPAIR #1 ENGINE AFT O/B PYLON BOOTSTRAP FITTING NEAR O/B T/R PER EA 21-154-01910. SEE EA FOR INDIVIDUAL WORK ACCOMPLISHED.; [06] VERIFIED REPAIR #1 ENGINE AFT O/B PYLON BOOTSTRAP FITTING NEAR O/B T/R PER EA 21-154-01910. SEE EA FOR INDIVIDUAL WORK ACCOMPLISHED.

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