Service difficulty report · Frame · Boeing 7377H4

Difficulty date
May 11, 2023
Submitted
May 31, 2023
Operation
Air carrier
Aircraft
N285WN
Make and model
Boeing 7377H4
Aircraft serial
32536
Aircraft time
51,630 hours, 31,054 cycles
Part
Frame
Part number
UNKNOWN
Condition
Cracked
Location
Zn 800 Door
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

FWD SERVICE DOORWAY STA 294 FRAME IS CRACKED IN INNER FLANGE COMMON TO MOPSILL.<[01] SRM 53-10-15-1A-2 IS APPLICABLE ALLOWABLE DAMAGE EVALUATION.;[02] UPON FURTHER EVALUATION OF FWD SERVICE DOORWAY STA 294 FRAME CRACK FOUND TO BE OUT OF LIMITS PER SRM 53-10-15-1A-2.;[03] VERIFIED SRM 53-10-15-2R-7-A01553 IS APPLICABLE FOR STA 296.4 FRAME REPAIR.;[04] VERIFIED CORRECTIVE ACTIONS 1-3;[05] REMOVED DAMAGE BY TRIMMING OUT PART OF THE STUB FRAME INNER CHORD SRM 53-10-15-2R-7.;[06] COMPLETED STEPS 1-2;[07] COMPLETED STEP 3;[08] COMPLETED REPAIR INSTALLATION IS DOCUMENTED ON NRC TTG8Q00KT9UA IAW SRM 53-10-15-2R-7.;[09] VERIFIED STEP 3 COMPLETED. AND CORRECTION ACTION ITEM 8;[10] VERIFIED ALL STEP 1;2;3 AND MEASUREMENT TABLE; CARD COMPLETE.

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