Service difficulty report · Supercharger · Boeing 7377H4

Difficulty date
May 30, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N960WN
Make and model
Boeing 7377H4
Aircraft serial
36675
Aircraft time
38,108 hours, 23,248 cycles
Part
Supercharger
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 RIGHT FLOOR TO SIDEWALL SUPPORT HAS CORROSION AT: STA:727B+14; 727C+14; 727C+6; 727D+3; 727D+8; 727D+11; 727D+14; 727D+18; 727E+2; 727E+6 WL: 156; RBL:20 T0 22<[01] VERIFIED APPLICABILITY OF SRM 53-60-53-01-2 IDENTIFICATION 2 AND SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2.;[02] VERIFIED APPLICABILITY OF SRM 53-60-53-0I-2 IDENTIFICATION 2 AND SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2.;[03] VERIFIED CORRECTIVE ACTION 2;[18] INSTALLED NEW ACB NEW FLOR TO SIDEWALL SUPPORT FROM BS 727 + 4 TO BS 767; RBL 20 TO 22; WL 156 IAW SRM 51-40-02-0G-0; DWG. 146A7502 REV - AND DWG; 146A7500 REV-.;[19] VERIFIED CORRECTIVE ACTION STEP 18.;[20] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

More about the Boeing 737-7H4