Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 17, 2021
Submitted
April 14, 2021
Operation
Air carrier
Aircraft
N936WN
Make and model
Boeing 7377H4
Aircraft serial
36643
Aircraft time
39,513 hours, 23,867 cycles
Part
Support
Condition
Cracked
Location
Aft Cargo
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

CRACK SUPPORT ZEE BETWEEN BS 747 TO BS 767 AT LEVEL STR 25 L AFT CARGO COMPARTMENT / REPAIRED SUPPORT ZEE LOC BETWEEN BS 727E+10' TO BS787+10' AT LEVEL STR25L AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND SRM 53-00-53-2R-6 REPAIR 6 DWG N.146A7502 SHEET 27 REV.- AND DWG N. 146A7500 SHEET 157 REV.- REPAIRED DUE TO SUPPORT ZEE FOUND OUT LIMITS IAW SRM B737-700 53-00-53-1A-2 STEP 4A(1)(A)

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