B737-800 flight crew reported an oil system failure on the Number 1 engine; resulting in an inflight engine shutdown and diversion to a suitable airport.

Date: 2024-09 · Aircraft: B737-800 · Phase: climb

Anomalies: aircraft-equipment-problem-critical|deviation-discrepancy-procedural-weight-and-balance

Synopsis

B737-800 flight crew reported an oil system failure on the Number 1 engine; resulting in an inflight engine shutdown and diversion to a suitable airport.

Narrative

At approximately FL200 | noticed the lower display unit pop up indicating 0 oil quantity on the #1 engine. I pointed this out to the Captain who agreed and we both noticed the oil temperature rising; oil pressure dropping both rapidly. I was the PF and the Captain was PM. The CA said level off; disengage auto throttles and retard the #1 engine to idle to protect the engine. The Captain [requested priority handling] with ATC; I leveled off and airplane while the Captain coordinated with ATC. The Captain ran the appropriate QRH and I began a turn to ZZZ. During descent the Captain and I agreed weather was approaching ZZZ rapidly and winds were less favorable (winds approx 160° gusting 40 knots). We decided to land at ZZZ1 instead overweight. While the Captain secured the #1 engine; and finished QRH/brief FAs (Flight Attendants) and passengers; I continued flying to ZZZ1 and began setting up for ILS XXL. The Captain requested controls for the landing; we exchanged Captain made the approach and landing single engine; overweight. Winds at ZZZ1 were gusting from the south east to 40 knots and the airplane touched down and landed uneventfully. All passengers and crew were safe and no injuries reported. After Fire & Rescue examined the aircraft; we taxied to a gate and shut down.Cause: Oil quantity indicator; oil temp indicator; oil pressure indicator.

Second reporter narrative

During the climbing phase at about FL200; FO acting as PF; lower DU pop up and we realized the left engine oil quantity was dropping to zero. Few seconds later the oil pressure drop to zero; and the oil temperature started to climb. [We requested priority handling] with Miami Center. I run the QRH and we proceeded to do a precautionary engine shut down. Initially we headed back to the departure airport but we saw in the radar the ZZZ was getting hit by a storm. At that moment we realized ZZZ1 was still VMC and we decided to proceed there. We changed controls; I took over PF duties and we made a single engine landing on Runway XXL. We were overweight by around 5000 LBS; also the cross wind was close to 40 knots from the South. Landing was uneventful for the situation; firefighters assisted us after landing; once we had the OK we taxied to the gate. There were no injuries within the crew and passengers. Passengers were deplane and the customer agents helped them thru the remainder of the rebooking process.

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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.