Service difficulty report · Support · Boeing 7377H4

Difficulty date
April 2, 2022
Submitted
May 4, 2022
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
66,803 hours, 39,311 cycles
Part
Support
Part number
146A75021
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

CORROSION SUPPORT ZEE LOCATED BETWEEN BS727E TO BS807; LBL21.00; WL156 AFT CARGO COMPARTMENT 2022-165320 / [01] REPLACED SUPPORT ZEE LOCATED BETWEEN BS727E TO BS847; LBL21.00; WL156 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG: 146A7500; SHEET: 61; REV: -. MATERIAL USED: BAC1496-377; 7075-T62; P.O: 2022-106436-1.<BR>SEE INDIVIDUAL SIGN OFFS BELOW;[02] CERTIFIED STEP 1 COMPLETE RII <BR>IAW B737-700 SRM 51-40-02 AND DWG: 146A7500; SHEET: 61; REV: -.

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