SDR DALA2021070703781

Service difficulty report · Skin · Boeing 757251

Difficulty date: July 4, 2021
Submitted: July 7, 2021
Operation: Air carrier
Aircraft: N552NW
Make and model: Boeing 757251
Aircraft serial: 26499
Aircraft time: 51,281 hours, 22,708 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Damaged
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

SHIP 5652 MONITOR INSPECTION LOG REF ERA 592439-14. CORRECTIVE ACTION: ELONGATED HOLES #1 AND #2, WERE CLEANED AND ROUNDED AT 0.199 DIAMETER. THE OVERSIZE CONDITION COMMON TO THE SKIN ONLY LOCATIONS ARE ACCEPTABLE BASED ON A COMPARISON TO THE HOLE AND PLUGGING ALLOWANCES AND SMALL DAMAGE AWAY FROM A FASTENER LOCATION WHICH ALLOWS UP TO 0.3125 DIAMETER HOLES TO BE PLUGGED. REF ERA 592439-14 REV ORG. (1863696)