Service difficulty report · Retainer · Boeing 7377H4

Difficulty date
May 1, 2019
Submitted
March 9, 2022
Operation
Air carrier
Aircraft
N281WN
Make and model
Boeing 7377H4
Aircraft serial
36528
Aircraft time
41,268 hours, 24,602 cycles
Part
Retainer
Condition
Cracked
Location
Lt Wing
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

LH WING TRAILING EDGE CAVITY; 10' I/B OF DEFLECTION RIB. CURVED SEAL RETAINER IS CRACKED COMMON TO LATERAL WEB / REMOVED RETAINER FROM L/H WING T/C CAVITY 10' I/B OF DEFLECTION RIB IAW SRM 51-40-02-0G-0. VERIFIED NEW RETAINER IAW DWG 115A2930 REV. A P/N 115A2930-1 LOCATED AND DRILLED NER RETAINER IAW SRM 51-40-05-0G-0; INSTALLED NEW PART AT L/H WING T/E CAVITY IAW SRM 51-40-02-0G-0 TAG A31785

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