Service difficulty report · Support Fitting · Boeing 7378H4

Difficulty date
December 7, 2021
Submitted
January 4, 2022
Operation
Air carrier
Aircraft
N8673F
Make and model
Boeing 7378H4
Aircraft serial
36937
Aircraft time
20,472 hours, 9,411 cycles
Part
Support Fitting
Condition
Cracked
Location
Rt Wing Te Flap
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

#6 FLAP SUPPORT FITTING CRACKED. DOT#A193-1 ; / [01] REMOVED #6 I/B FLAP TRANSMISSION ATTACH FITTING IAW AMM 27-51-31-000-801 STEP 2.E.(5).(B) & AMM 27-51-15-000-801 STEP 2.F.(5).; [02] LINED REAMED #6 FLAP TRANSMISSION INBOARD SUPPORT FITTING IAW BOEING CMM 57-53-03 STEP 2.C.(3)(I)5) REPAIR 8-1 FIGURE 601. AAR 38289 DUE 09-09-22.; [03] VERIFIED ITEM 2; [04] OK TO INSTALL ATTACH FITTING; [05] INSTALLED NEW #6 FLAP TRANSMISSION INBOARD SUPPORT FITTING IAW B737 AMM 27-51-15-400-801 STEP 3G(2) AND B737 AMM 27-51-31-400-801 STEP 3F(1). AAR 41964 DUE 04-20-22.; [06] VERIFIED STEP 5; [07] AUDITED

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