Service difficulty report · Support · Boeing 7377H4

Difficulty date
May 22, 2021
Submitted
June 28, 2021
Operation
Air carrier
Aircraft
N207WN
Make and model
Boeing 7377H4
Aircraft serial
34012
Aircraft time
52,378 hours, 31,227 cycles
Part
Support
Condition
Corroded
Location
Zone 100
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 BAY FLOOR TO SIDEWALL SUPPORT R/H BS927-BS947 RBL20 WL177 ; / [01] VERIFIED APPLICABILITY OF SRM 53-70-53-0I-2 FOR IDENTIFICATION AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE; [02] REMOVED CORROSION FROM ACB FLOOR TO SIDEWALL SUPPORT R/H BS927- BS 947 RBL 20 WL 177; MAXIMUM BLENDED AREA 3'X2'X0.018'DEEP; FOUND TO BE OUT OF LIMIT IAW SRM 53-00-53-1A-2 PAR.4.A (2) FIG. 103 DETAIL. D.<BR>TOOL USED: DIAL DEPTH GAUGE; ID:ATS401; S/N:UNKNOWN; [03] CORROSION OUT OF LIMITS PER SRM 53-00-53-1A-2; [04] REMOVED ACB FLOOR TO SIDEWALL SUPPORT R/H BS887- BS947 RBL 20 WL 177 IAW SRM 51-40-02-OG-0; [05] THIS DISCREPANCY WILL ACCOMPLISHED ON CARD TTG8Q0055629; [06] THIS DISCREPANCY WILL ACCOMPLISHED ON CARD TTG8Q005BQ5Y; [07] PART REPLACEMENT WILL ACCOMPLISHED ON CARD TTG8Q005BQ5Y; [08] PART REPLACEMENT WILL ACCOMPLISHED ON CARD TTG8Q005BQ5Y; [09] VERIFIED PART REPLACEMENT WILL ACCOMPLISHED ON CARD TTG8Q005BQ5Y.

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