Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 9, 2020
Submitted
September 24, 2020
Operation
Air carrier
Aircraft
N497WN
Make and model
Boeing 7377H4
Aircraft serial
32479
Aircraft time
54,478 hours, 32,216 cycles
Part
Support
Part number
143A7500
Condition
Cracked
Location
Bs 500-500a
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 BILGE AREA ON SUPPORT ZEE LOCATED BETWEEN BS 500 TO BS 500A AT LEVEL STR 26L AT FWD CARGO COMPARTMENT. PERFORMED REPAIR SUPPORT ZEE LOCATED BETWEEN BS 480 TO BS 500D AT LEVEL STR 26L AT FWD CARGO COMPARTMENT, IAW SRM B737-700; 53-00-53-2R-6 AND DRAWING NR 143A7500 REV C.

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