Service difficulty report · Structure · Boeing 7377H4

Difficulty date
February 27, 2023
Submitted
March 20, 2023
Operation
Air carrier
Aircraft
N216WR
Make and model
Boeing 7377H4
Aircraft serial
32488
Aircraft time
55,381 hours, 33,043 cycles
Part
Structure
Condition
Elongated
Location
Zn 200 Fus Top
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

COCKPIT DOOR SURROUND ATTACHMENT AT FRAME 277 BETWEEN STRINGER 1R-2R AFTER REMOVE BOLTS; FOUND ELONGATED HOLES AND GAUGES.<[01] INSTALLED PROTECTION EWIS AROUND FRAME 277 BETWEEN STRINGERS 1R-2R REF. BOEING 737 AMM 20-60-07-913-801;[02] REMOVED CHANEL AND ANGLE OF FRAME 277 BETWEEN STRINGERS 1R-2R REF. BOEING 737 SRM 51-40-02-0G-0;[03] VERIFIED STEPS 1 AND 2;[04] RECEIVED NEW PARTS AND VERIFIED CLIP AND WEB PART NUMBERS PER DRAWING 141A9402; CLIP PART NUMBER 141A9402U6 AND WEB PART NUMBER 141A9402U14.;[05] VERIFIED STEP 4;[06] OK TOLOCATED AND DRILL HOLES ON PARTS;[07] LOCATED AND DRILLED HOLES IN NEW CLIP AND WEB PARTS PER SRM 51-40-02-0G-0 AND DRAWING 141A9402.;[08] VERIFIED STEP 7;[09] OK TO TREAT AND PRIME HOLES;[10] TREATED AND PRIMED FASTENERS HOLES AND AIRCRACT SKIN PER REF AMM 51-21-41-370-802 AND 51-21-72-370-804;[11] VERIFIED STEP 10<BR>OK TO INSTALL CHANEL AND ANGLE;[12] INSTALLED CHANEL AND ANGLE AT FRAME 277 BETWEEN STRINGER 1R TO 2R REF SRM 51-40-02-0G-0 AND DWG 141A9402;[13] REMOVED EWIS PROTECTION AROUND FRAME 277 BETWEEN STRINGERS 1R-2R REF. AMM 20-60-07-913-801;[14] VERIFIED STEP 12 AND 13

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