Service difficulty report · Channel · Boeing 7377H4

Difficulty date
May 31, 2022
Submitted
June 15, 2022
Operation
Air carrier
Aircraft
N253WN
Make and model
Boeing 7377H4
Aircraft serial
32511
Aircraft time
53,013 hours, 31,527 cycles
Part
Channel
Part number
146A750251
Condition
Corroded
Location
Aft Cargo Bay
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

AFT CARGO COMP BETWEEN STA 727D AND STA 767 RBL 21' ZEE CHANNEL UPPER SURFACE CORROSION / [01] EXFOLIATING CORROSION THAT IS OUT OF LIMITS WAS FOUND FWD OF STA 727D. PART NEEDS REPLACEMENT. NEW ZEE CHANNEL WILL REPLACE BOTH SECTIONS OF THIS ZEE CHANNEL WHICH HAS A SPLICE REPAIR.;[02] RECEIVED SERVICEABLE ZEE CHANNEL P/N 146A7502-51 ON TASK CARD TTG8Q00CS6WF. INSTALLATION WILL BE ACCOMPLISHED ON TASK CARD TTG8Q004ALJD;[03] VERIFIED STEPS 1 AND 2

More about the Boeing 737-7H4