Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
August 3, 2021
Submitted
September 16, 2021
Operation
Air carrier
Aircraft
N413WN
Make and model
Boeing 7377H4
Aircraft serial
29819
Aircraft time
67,173 hours, 39,106 cycles
Part
Doubler
Condition
Damaged
Location
Power Door
Stage of operation
IN
How discovered
V
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

GROUND PWR DOOR CUTOUT FWD INNER DOUBLER HAS PIECE OF THE EDGE BROKEN BELOW LWR DOOR HINGE. 8-6 ; / [01] REMOVED EXTERNAL POWER DOOR #114AR TO GAIN ACCESS REF B737-700 SRM 51-40-02-0G-0.; [02] REMOVED EXTERNAL POWER RECEPTACLE BOX TO GAIN ACCESS REF B737-700 SRM 51-40-02-0G-0.; [03] REMOVED DUCT COOLING EXHAUST SECT AT FWD E/E R/H SIDE TO GAIN ACCESS REF B737-700 AMM 21-27-07-100-801.; [04] INSTALLED EWIS PROTECTION AT FWD E/E COMP R/H SIDE ON ELECTRICAL GROUND POWER RECEPTACLE REF B737-700 AMM 20-60-07-913-801.; [05] REMOVED INTERCOSTAL AT FUSELAGE SKIN R/H SIDE ELECTRICAL GROUND POWER DOOR FWD CUTOUT TO GAIN ACCESS REF B737-700 SRM 51-40-02-0G-0.; [12] REMOVED EGPR INNER DOUBLER ON R/H SIDE IN IAW SRM 51-40-02-0G-0; [35] REMOVED AND REPLACED EGPR INNER DOUBLER AT GROUND POWER DOOR CUT OUT AT R/H SIDE SKIN BETWEEN STA 219.80 TO 243.70 IN IAW DWG # 141A0640 AND 51-40-02-0G-0; [36] VERIFIED STEP #35.; [37] RESTORED SKIN FINISH (TOP COAT) AROUND GROUND POWER DOOR CUT OUT PER REF B737 AMM 51-21-73-370-803; [38] VERIFIED STEP #37; [39] FINAL INSPECTION; REPLACED EGPR INNER DOUBLER.

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