Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
August 19, 2022
Submitted
September 27, 2022
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
57,460 hours, 34,246 cycles
Part
Stub Frame
Condition
Cracked
Location
Fuselage
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 CABIN SERVICE DOOR SURROUND LOWER STUB FRAME CRACKED BS294 RBL55 WL209. / [01] VERIFIED APPLICABILITY FOR ALLOWABLE DAMAGE LIMITS IAW SRM 53-10-15- 1A-2 ALLOWABLE DAMAGE 2 AND IDENTIFICATION IAW SRM 53-10-15-0I-2;[02] EVALUATED DAMAGE; DIMENSION OF CRACK L: 2' FOUND OUT ALLOWABLE DAMAGE LIMITS IAW SRM 53-10-15- 1A-2 ALLOWABLE DAMAGE 2 FIGURE 103 DETAIL 'L';[03] REMOVED AT FWD CABIN SERVICE DOOR SURROUND LOWER STUB FRAME BS294 RBL55 WL209. IAW SRM 51-40-02;[04] RECEIVED; LOCATED AND DRILLED NEW STUB FRAME P/N 141A8371Y10 LOT# 1486979-1 IAW SRM 51-40-05 AND DWG 141A8370 REV:D;[05] VERIFIED CORRECTIVE ACTION #1-4;[06] ENTERED MEASUREMENTS;[07] OK TO INSTALL NEW PART;[08] CERTIFY;[09] OK TO INSTALL PART GIVEN.;[10] VERIFIED MEASUREMENT TABLE;[11] INSTALLED NEW STUB FRAME IAW SRM 51-40-02 AND DWG 141A8370 REV:D;[12] VERIFIED CORRECTIVE ACTION 11.;[13] WORK COMPLETED;[14] VERIFIED COMPLETE. VERIFIED MEASUREMENTS.

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