Service difficulty report · Fitting · Boeing 74747UF

Difficulty date
March 8, 2023
Submitted
March 10, 2023
Operation
Air carrier
Aircraft
N476MC
Make and model
Boeing 74747UF
Aircraft serial
29256
Aircraft time
93,201 hours, 17,179 cycles
Part
Fitting
Part number
69B145929
Part serial
NSN
Condition
None
Stage of operation
IN
How discovered
V
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

CRACK ON FRONT SPAR INTERCOSTAL LUG FITTING AT STA 1000 LBL 11.33(<P>1. REMOVED DAMAGE PARTS IAW SRM 51-40-02-0G-0 REV 96. 2. INSTALL NEW PARTS IAW SRM 51-40-02-0G-0 REV 96 AND EO 4453C024 REV 3 AND EI T2023A53M-134 SEQUENCE B. 3. ACCOMPLISHED EI T2023A53M-134 REV 2. 4. ORIGINAL EI ATTACHING WITH WO 7939908 (162). 5. JOB COMPLETED AND CONDITION CHECK NORMAL</P>)

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